Lyle Tavernier is an educational technology specialist at NASA's Jet Propulsion Laboratory. When he’s not busy working in the areas of distance learning and instructional technology, you might find him running with his dog, cooking or planning his next trip.


NASA is inviting students to help name its next Mars rover! Set to launch from Florida in the summer of 2020, NASA’s fifth rover to visit the Red Planet is designed to study past environments capable of supporting life, seek signs of ancient microbial life, collect rock and soil samples for a possible future return to Earth, and test technologies that could produce oxygen from the Martian atmosphere for use by humans one day. But before it can do that, it needs a name.

Following in the tracks of NASA’s four previous Mars rovers, the agency is asking students to suggest a name. The first Mars rover, which landed in 1997, was called the Microrover Flight Experiment until a 12-year old student from Connecticut suggested the name Sojourner, in honor of abolitionist and women’s rights activist Sojourner Truth. In 2004, a third-grade student from Arizona named NASA’s twin rovers Spirit and Opportunity. Curiosity, which landed in 2012 and is the most recent rover to visit Mars, was named by a sixth-grade student in Kansas.

To enter the Name the Rover Essay Contest, individual students must submit an essay of up to 150 words by Nov. 1, 2019. In their essay, students will need to propose the name they think best suits the rover and explain their reasoning. Judges will select three finalists (one each from grades K-4, 5-8 and 9-12) from every state and U.S. territory. From there, judges will narrow down the finalists further before they select a final name in the spring of 2020.

So what makes a good name? There are lots of ways to become inspired, but students should start by learning about the rover as well as the Red Planet and why we explore. But they shouldn’t stop there. There are many ways to spark ideas from students, including writing planetary poetry, making cosmic art, and having them build rovers of their own. Get students thinking and writing creatively, and encourage them to submit their essay!

› Enter the contest

The contest is open to U.S. residents enrolled in kindergarten through 12th grade in a U.S. school (including U.S. territories and schools operated by the U.S. for the children of American personnel overseas). Home-school students can also submit a name!

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TAGS: Mars, rover, contest, Mars 2020, K-12 education, STEM, language arts, essay, science, students

  • Lyle Tavernier
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The Millennium Falcon takes on TIE fighters in a scene from 'Star Wars: The Force Awakens.'

This feature was originally published on May 3, 2016.


In the News

What do "Star Wars," NASA's Dawn spacecraft and Newton's Laws of Motion have in common? An educational lesson that turns science fiction into science fact using spreadsheets – a powerful tool for developing the scientific models addressed in the Next Generation Science Standards.

The TIE (Twin Ion Engine) fighter is a staple of the "Star Wars" universe. Darth Vader flew one in "A New Hope." Poe Dameron piloted one in "The Force Awakens." And many, many Imperial pilots met their fates in them. While the fictional TIE fighters in "Star Wars" flew a long time ago in a galaxy far, far away, ion engines are a reality in this galaxy today – and have a unique connection to NASA’s Jet Propulsion Laboratory.

Launched in 1998, the first spacecraft to use an ion engine was Deep Space 1, which flew by asteroid 9969 Braille and comet Borrelly. Fueled by the success of Deep Space 1, engineers at JPL set forth to develop the next spacecraft that would use ion propulsion. This mission, called Dawn, would take ion-powered spacecraft to the next level by allowing Dawn to go into orbit twice – around the two largest objects in the asteroid belt: Vesta and Ceres.

How Does It Work?

Ion engines rely on two principles that Isaac Newton first described in 1687. First, a positively charged atom (ion) is pushed out of the engine at a high velocity. Newton’s Third Law of Motion states that for every action there is an equal and opposite reaction, so then a small force pushes back on the spacecraft in the opposite direction – forward! According to Newton’s Second Law of Motion, there is a relationship between the force (F) exerted on an object, its mass (m) and its acceleration (a). The equation F=ma describes that relationship, and tells us that the small force applied to the spacecraft by the exiting atom provides a small amount of acceleration to the spacecraft. Push enough atoms out, and you'll get enough acceleration to really speed things up.


Why is It Important?

Compared with traditional chemical rockets, ion propulsion is faster, cheaper and safer:

  • Faster: Spacecraft powered by ion engines can reach speeds of up to 90,000 meters per second (more than 201,000 mph!)
  • Cheaper: When it comes to fuel efficiency, ion engines can reach more than 90 percent fuel efficiency, while chemical rockets are only about 35 percent efficient.
  • Safer: Ion thrusters are fueled by inert gases. Most of them use xenon, which is a non-toxic, chemically inert (no risk of exploding), odorless, tasteless and colorless gas.

These properties make ion propulsion a very attractive solution when engineers are designing spacecraft. While not every spacecraft can use ion propulsion – some need greater rates of acceleration than ion propulsion can provide – the number and types of missions using these efficient engines is growing. In addition to being used on the Dawn spacecraft and communication satellites orbiting Earth, ion propulsion could be used to boost the International Space Station into higher orbits and will likely be a part of many future missions exploring our own solar system.

Teach It

Newton’s Laws of Motion are an important part of middle and high school physical science and are addressed specifically by the Next Generation Science Standards as well as Common Core Math standards. The lesson "Ion Propulsion: Using Spreadsheets to Model Additive Velocity" lets students study the relationship between force, mass and acceleration as described by Newton's Second Law as they develop spreadsheet models that apply those principles to real-world situations.

This lesson meets the following Next Generation Science and Common Core Math Standards:

NGSS Standards:

  • MS-PS2-2: Plan an investigation to provide evidence that the change in an object’s motion depends on the sum of the forces on the object and the mass of the object.
  • HS-PS2-1: Analyze data to support the claim that Newton’s second law of motion describes the mathematical relationship among the net force on a macroscopic object, its mass, and its acceleration.
  • HS-PS2-1: Use mathematical representations to support the claim that the total momentum of a system of objects is conserved when there is no net force on the system.

Common Core Math Standards:

  • Grade 8: Expressions and Equations A.4: Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e.g., use millimeters per year for seafloor spreading). Interpret scientific notation that has been generated by technology.
  • High School: Algebra CED.A.4: Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.
  • High School: Functions LE.A: Construct and compare linear, quadratic, and exponential models and solve problems.
  • High School: Functions BF.A.1: Write a function that describes a relationship between two quantities.
  • High School: Statistics and Probability ID.C: Interpret linear Models
  • High School: Number and Quantity Q.A.1: Use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays."

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TAGS: May the Fourth, Star Wars Day, F=ma, ion propulsion, Dawn, Deep Space 1, lesson, classroom activity, NGSS, Common Core Math

  • Lyle Tavernier
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Illustration of spacecraft against a starry background

Update: March 15, 2019 – The answers to the 2018 NASA Pi Day Challenge are here! View the illustrated answer key


In the News

The excitement of Pi Day – and our annual excuse to chow down on pie – is upon us! The holiday celebrating the mathematical constant pi arrives on March 14, and with it comes the sixth installment of the NASA Pi Day Challenge from the Jet Propulsion Laboratory’s Education Office. This challenge gives students in grades 6-12 a chance to solve four real-world problems faced by NASA scientists and engineers. (Even if you’re done with school, they’re worth a try for the bragging rights.)

https://www.jpl.nasa.gov/edu/teach/activity/pi-in-the-sky-6/

Visit the "Pi in the Sky 6" lesson page to explore classroom resources and downloads for the 2019 NASA Pi Day Challenge. Image credit: NASA/JPL-Caltech/Kim Orr | + Expand image

Why March 14?

Pi, the ratio of a circle’s circumference to its diameter, is what is known as an irrational number. As an irrational number, its decimal representation never ends, and it never repeats. Though it has been calculated to trillions of digits, we use far fewer at NASA. In fact, 3.14 is a good approximation, which is why March 14 (or 3/14 in U.S. month/day format) came to be the date that we celebrate this mathematical marvel.

The first-known Pi Day celebration occurred in 1988. In 2009, the U.S. House of Representatives passed a resolution designating March 14 as Pi Day and encouraging teachers and students to celebrate the day with activities that teach students about pi.

The 2019 Challenge

This year’s NASA Pi Day Challenge features four planetary puzzlers that show students how pi is used at the agency. The challenges involve weathering a Mars dust storm, sizing up a shrinking storm on Jupiter, estimating the water content of a rain cloud on Earth and blasting ice samples with lasers!

›Take on the 2019 NASA Pi Day Challenge!

The Science Behind the Challenge

In late spring of 2018, a dust storm began stretching across Mars and eventually nearly blanketed the entire planet in thick dust. Darkness fell across Mars’ surface, blocking the vital sunlight that the solar-powered Opportunity rover needed to survive. It was the beginning of the end for the rover’s 15-year mission on Mars. At its height, the storm covered all but the peak of Olympus Mons, the largest known volcano in the solar system. In the Deadly Dust challenge, students must use pi to calculate what percentage of the Red Planet was covered by the dust storm.

The Terra satellite, orbiting Earth since 1999, uses the nine cameras on its Multi-Angle Imaging SpectroRadiometer, or MISR, instrument to provide scientists with unique views of Earth, returning data about atmospheric particles, land-surface features and clouds. Estimating the amount of water in a cloud, and the potential for rainfall, is serious business. Knowing how much rain may fall in a given area can help residents and first responders prepare for emergencies like flooding and mudslides. In Cloud Computing, students can use their knowledge of pi and geometric shapes to estimate the amount of water contained in a cloud.

Jupiter’s Great Red Spot, a giant storm that has been fascinating observers since the early 19th century, is shrinking. The storm has been continuously observed since the 1830s, but measurements from spacecraft like Voyager, the Hubble Space Telescope and Juno indicate the storm is getting smaller. How much smaller? In Storm Spotter, students can determine the answer to that very question faced by scientists.

Scientists studying ices found in space, such as comets, want to understand what they’re made of and how they interact and react with the environment around them. To see what molecules may form in space when a comet comes into contact with solar wind or sunlight, scientists place an ice sample in a vacuum and then expose it to electrons or ultraviolet photons. Scientists have analyzed samples in the lab and detected molecules that were later observed in space on comet 67P/Churyumov-Gerasimenko. To analyze the lab samples, an infrared laser is aimed at the ice, causing it to explode. But the ice will explode only if the laser is powerful enough. Scientist use pi to figure out how strong the laser needs to be to explode the sample – and students can do the same when they solve the Icy Intel challenge.

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Participate

Join the conversation and share your Pi Day Challenge answers with @NASAJPL_Edu on social media using the hashtag #NASAPiDayChallenge

Blogs and Features

Related Activities

Multimedia

Facts and Figures

Missions and Instruments

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TAGS: Pi Day, K-12, STEM, Science, Engineering, Technology, Math, Pi, Educators, Teachers, Informal Education, Museums

  • Lyle Tavernier
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The supermoon lunar eclipse captured as it moved over NASA’s Glenn Research Center on September 27, 2015.

In the News

Looking up at the Moon can create a sense of awe at any time, but those who do so on the evening of January 20 will be treated to the only total lunar eclipse of 2019. Visible for its entirety in North and South America, this eclipse is being referred to by some as a super blood moon – “super” because the Moon will be closest to Earth in its orbit during the full moon (more on supermoons here) and “blood" because the total lunar eclipse will turn the Moon a reddish hue (more on that below). This is a great opportunity for students to observe the Moon – and for teachers to make connections to in-class science content.

How It Works

Eclipses can occur when the Sun, the Moon and Earth align. Lunar eclipses can happen only during a full moon, when the Moon and the Sun are on opposite sides of Earth. At that point, the Moon can move into the shadow cast by Earth, resulting in a lunar eclipse. However, most of the time, the Moon’s slightly tilted orbit brings it above or below Earth’s shadow.

Watch on YouTube

The time period when the Moon, Earth and the Sun are lined up and on the same plane – allowing for the Moon to pass through Earth’s shadow – is called an eclipse season. Eclipse seasons last about 34 days and occur just shy of every six months. When a full moon occurs during an eclipse season, the Moon travels through Earth’s shadow, creating a lunar eclipse.

Graphic showing the alignment of the Sun, Earth and Moon when a full moon occurs during an eclipse season versus a non-eclipse season

When a full moon occurs during an eclipse season, the Moon travels through Earth's shadow, creating a lunar eclipse. Credit: NASA/JPL-Caltech | + Enlarge image

Unlike solar eclipses, which require special glasses to view and can be seen only for a few short minutes in a very limited area, a total lunar eclipse can be seen for about an hour by anyone on the nighttime side of Earth – as long as skies are clear.

What to Expect

The Moon passes through two distinct parts of Earth’s shadow during a lunar eclipse. The outer part of the cone-shaped shadow is called the penumbra. The penumbra is less dark than the inner part of the shadow because it’s penetrated by some sunlight. (You have probably noticed that some shadows on the ground are darker than others, depending on how much outside light enters the shadow; the same is true for the outer part of Earth’s shadow.) The inner part of the shadow, known as the umbra, is much darker because Earth blocks additional sunlight from entering the umbra.

At 6:36 p.m. PST (9:36 p.m. EST) on January 20, the edge of the Moon will begin entering the penumbra. The Moon will dim very slightly for the next 57 minutes as it moves deeper into the penumbra. Because this part of Earth’s shadow is not fully dark, you may notice only some dim shading (if anything at all) on the Moon near the end of this part of the eclipse.

Graphic showing the positions of the Moon, Earth and Sun during a partial lunar eclipse

During a total lunar eclipse, the Moon first enters into the penumbra, or the outer part of Earth's shadow, where the shadow is still penetrated by some sunlight. Credit: NASA | + Enlarge image

At 7:33 p.m. PST (10:33 p.m. EST), the edge of the Moon will begin entering the umbra. As the Moon moves into the darker shadow, significant darkening of the Moon will be noticeable. Some say that during this part of the eclipse, the Moon looks as if it has had a bite taken out of it. That “bite” gets bigger and bigger as the Moon moves deeper into the shadow.

The Moon as seen during a partial lunar eclipse

As the Moon starts to enter into the umbra, the inner and darker part of Earth's shadow, it appears as if a bite has been taken out of the Moon. This "bite" will grow until the Moon has entered fully into the umbra. Credit: NASA | + Enlarge image

At 8:41 p.m. PST (11:41 p.m. EST), the Moon will be completely inside the umbra, marking the beginning of the total lunar eclipse. The moment of greatest eclipse, when the Moon is halfway through the umbra, occurs at 9:12 p.m. PST (12:12 a.m. EST).

Graphic showing the Moon inside the umbra

The total lunar eclipse starts once the moon is completely inside the umbra. And the moment of greatest eclipse happens with the Moon is halfway through the umbra as shown in this graphic. Credit: NASA | + Enlarge image

As the Moon moves completely into the umbra, something interesting happens: The Moon begins to turn reddish-orange. The reason for this phenomenon? Earth’s atmosphere. As sunlight passes through it, the small molecules that make up our atmosphere scatter blue light, which is why the sky appears blue. This leaves behind mostly red light that bends, or refracts, into Earth’s shadow. We can see the red light during an eclipse as it falls onto the Moon in Earth’s shadow. This same effect is what gives sunrises and sunsets a reddish-orange color.

The Moon as seen during a total lunar eclipse at the point of greatest eclipse

As the Moon moves completely into the umbra, it turns a reddish-orange color. Credit: NASA | + Enlarge image

A variety of factors affect the appearance of the Moon during a total lunar eclipse. Clouds, dust, ash, photochemical droplets and organic material in the atmosphere can change how much light is refracted into the umbra. Additionally, the January 2019 lunar eclipse takes place when the full moon is at or near the closest point in its orbit to Earth – a time popularly known as a supermoon. This means the Moon is deeper inside the umbra shadow and therefore may appear darker. The potential for variation provides a great opportunity for students to observe and classify the lunar eclipse based on its brightness. Details can be found in the “Teach It” section below.

At 9:43 p.m. PST (12:43 a.m. EST), the edge of the Moon will begin exiting the umbra and moving into the opposite side of the penumbra. This marks the end of the total lunar eclipse.

At 10:50 p.m. PST (1:50 a.m. EST), the Moon will be completely outside the umbra. It will continue moving out of the penumbra until the eclipse ends at 11:48 p.m (2:48 a.m. EST).

What if it’s cloudy where you live? Winter eclipses always bring with them the risk of poor viewing conditions. If your view of the Moon is obscured by the weather, explore options for watching the eclipse online, such as the Time and Date live stream.

Why It’s Important

Lunar eclipses have long played an important role in understanding Earth and its motions in space.

In ancient Greece, Aristotle noted that the shadows on the Moon during lunar eclipses were round, regardless of where an observer saw them. He realized that only if Earth were a spheroid would its shadows be round – a revelation that he and others had many centuries before the first ships sailed around the world.

Earth wobbles on its axis like a spinning top that’s about to fall over, a phenomenon called precession. Earth completes one wobble, or precession cycle, over the course of 26,000 years. Greek astronomer Hipparchus made this discovery by comparing the position of stars relative to the Sun during a lunar eclipse to those recorded hundreds of years earlier. A lunar eclipse allowed him to see the stars and know exactly where the Sun was for comparison – directly opposite the Moon. If Earth didn’t wobble, the stars would appear to be in the same place they were hundreds of years earlier. When Hipparchus saw that the stars’ positions had indeed moved, he knew that Earth must wobble on its axis!

Lunar eclipses are also used for modern-day science investigations. Astronomers have used ancient eclipse records and compared them with computer simulations. These comparisons helped scientists determine the rate at which Earth’s rotation is slowing.

Teach It

Ask students to observe the lunar eclipse and evaluate the Moon’s brightness using the Danjon Scale of Lunar Eclipse Brightness. The Danjon scale illustrates the range of colors and brightness the Moon can take on during a total lunar eclipse, and it’s a tool observers can use to characterize the appearance of an eclipse. View the lesson guide below. After the eclipse, have students compare and justify their evaluations of the eclipse.

Use these standards-aligned lessons and related activities to get your students excited about the eclipse, Moon phases and Moon observations:

TAGS: Lunar Eclipse, Moon, Teachers, Educators, K-12 Education, Astronomy

  • Lyle Tavernier
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Animation showing InSight landing on Mars

Tom Hoffman, InSight Project Manager, NASA JPL, left, and Sue Smrekar, InSight deputy principal investigator, NASA JPL, react after receiving confirmation InSight is safe on the surface of Mars

This is the first image taken by NASA's InSight lander on the surface of Mars.

The Instrument Deployment Camera (IDC), located on the robotic arm of NASA's InSight lander, took this picture of the Martian surface on Nov. 26

UPDATE: Nov. 27, 2018 – The InSight spacecraft successfully touched down on Mars just before noon on Nov. 26, 2018, marking the eighth time NASA has succeeded in landing a spacecraft on the Red Planet. This story has been updated to reflect the current mission status. For more mission updates, follow along on the InSight Mission Blog, JPL News, as well as Facebook and Twitter (@NASAInSight, @NASAJPL and @NASA).


In the News

NASA’s newest mission to Mars, the InSight lander, touched down just before noon PST on Nov. 26. So while some people were looking for Cyber Monday deals, scientists and engineers at NASA’s Jet Propulsion Laboratory were monitoring their screens for something else: signals from the spacecraft that it successfully touched down on the Red Planet.

InSight spent nearly seven months in space, kicked off by the first interplanetary launch from the West Coast of the U.S. Once it arrived at the Red Planet, InSight had to perform its entry, descent and landing, or EDL, to safely touch down on the Martian surface. This was perhaps the most dangerous part of the entire mission because it required that the spacecraft withstand temperatures near 1,500 degrees Fahrenheit, quickly put on its brakes by using the atmosphere to slow down, then release a supersonic parachute and finally lower itself to the surface using 12 retrorockets.

When NASA’s InSight descends to the Red Planet on Nov. 26, 2018, it is guaranteed to be a white-knuckle event. Rob Manning, chief engineer at NASA’s Jet Propulsion Laboratory, explains the critical steps that must happen in perfect sequence to get the robotic lander safely to the surface. | Watch on YouTube

But even after that harrowing trip to the surface, InSight will have to overcome one more challenge before it can get to the most important part of the mission, the science. After a thorough survey of its landing area, InSight will need to carefully deploy each of its science instruments to the surface of Mars. It may sound like an easy task, but it’s one that requires precision and patience.

It’s also a great opportunity for educators to engage students in NASA’s exploration of Mars and the importance of planetary science while making real-world connections to lessons in science, coding and engineering. Read on to find out how.

How It Works: Deploying InSight’s Instruments

InSight is equipped with three science investigations with which to study the deep interior of Mars for the first time. The Seismic Experiment for Interior Structures, or SEIS, is a seismometer that will record seismic waves traveling through the interior of Mars.

These waves can be created by marsquakes, or even meteorites striking the surface. The Heat Flow and Physical Properties Package, or HP3, will investigate how much heat is still flowing out of Mars. It will do so by hammering a probe down to a depth of up to 16 feet (about 5 meters) underground. The Rotation and Interior Structure Experiment, or RISE, will use InSight’s telecommunications system to precisely track the movement of Mars through space. This will shed light on the makeup of Mars’ iron-rich core.

But to start capturing much of that science data, InSight will have to first carefully move the SEIS and HP3 instruments from its stowage area on the lander deck and place them in precise locations on the ground. Among its many firsts, InSight will be the first spacecraft to use a robotic arm to place instruments on the surface of Mars. Even though each instrument will need to be lowered only a little more than three feet (1 meter) to the ground, it’s a delicate maneuver that the team will rehearse to make sure they get it right.

InSight’s robotic arm is nearly 6 feet (about 2 meters) long. At the end of the arm is a five-fingered grappler that is designed to grab SEIS and HP3 from the deck of the lander and place them on the ground in front of the lander in a manner similar to how a claw game grabs prizes and deposits them in the collection chute. But on Mars, it has to work every time.

InSight will be the first mission on another planet to use a robotic arm to grasp instruments and place them on the surface. While it may look like an arcade machine, this space claw is designed to come away with a prize every time. | Watch on YouTube

Before the instruments can be set down, the area where they will be deployed – commonly referred to as the work space – must be assessed so SEIS and HP3 can be positioned in the best possible spots to meet their science goals. InSight is designed to land with the solar panels at an east-west orientation and the robotic arm facing south. The work space covers about three-square meters to the south of the rover. Because InSight is a three-legged lander and not a six-wheeled rover, science and engineering teams must find the best areas to deploy the instruments within the limited work space at InSight’s landing spot. That is why choosing the best landing site (which for InSight means one that is very flat and has few rocks) is so important.

Just as having two eyes gives us the ability to perceive depth, InSight will use a camera on its robotic arm to take what are known as stereo-pair images. These image pairs, made by taking a photo and then moving the camera slightly to the side for another image, provide 3D elevation information that’s used by the science and engineering teams. With this information, they can build terrain maps that show roughness and tilt, and generate something called a goodness map to help identify the best location to place each instrument. Evaluating the work space is expected to take a few weeks.

Once the team has selected the locations where they plan to deploy the instruments, the robotic arm will use its grapple to first grab SEIS and lower it to the surface. When the team confirms that the instrument is on the ground, the grapple will be released and images will be taken. If the team decides they like where the instrument is placed, it will be leveled, and the seismic sensor will be re-centered so it can be calibrated to collect scientific data. If the location is deemed unsuitable, InSight will use its robotic arm to reposition SEIS.

But wait, there’s more! SEIS is sensitive to changes in air pressure, wind and even local magnetic fields. In fact, it is so sensitive that it can detect ground movement as small as half the radius of a hydrogen atom! So that the instrument isn’t affected by the wind and changes in temperature, the robotic arm will have to cover SEIS with the Wind and Thermal Shield.

After SEIS is on the ground and covered by the shield, and the deployment team is satisfied with their placement, the robotic arm will grab the HP3 instrument and place it on the surface. Just as with SEIS, once the team receives confirmation that HP3 is on the ground, the grapple will be released and the stability of the instrument will be confirmed. The final step in deploying the science instruments is to release the HP3 self-hammering mole from within the instrument so that it will be able to drive itself into the ground. The whole process from landing to final deployment is expected to take two to three months.

Why It’s Important

For the science instruments to work – and for the mission to be a success – it’s critical that the instruments are safely deployed. So while sending a mission to another planet is a huge accomplishment and getting pictures of other worlds is inspiring, it’s important to remember that science is the driver behind these missions. As technologies advance, new techniques are discovered and new ideas are formulated. Opportunities arise to explore new worlds and revisit seemingly familiar worlds with new tools.

Using its science instruments, SEIS and HP3, plus the radio-science experiment (RISE) to study how much Mars wobbles as it orbits the Sun, InSight will help scientists look at Mars in a whole new way: from the inside.

SEIS will help scientists understand how tectonically active Mars is today by measuring the power and frequency of marsquakes, and it will also measure how often meteorites impact the surface of Mars.

HP3 and RISE will give scientists the information they need to determine the size of Mars’ core and whether it’s liquid or solid; the thickness and structure of the crust; the structure of the mantle and what it’s made of; and how warm the interior is and how much heat is still flowing through.

Answering these questions is important for understanding Mars, and on a grander scale, it is key to forming a better picture of the formation of our solar system, including Earth.

Teach It

Use these resources to bring the excitement of NASA’s newest Mars mission and the scientific discovery that comes with it into the classroom.

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Follow Along

Resources and Activities

Feature Stories and Podcasts

Websites and Interactives

TAGS: InSight, Landing, Mars, K-12 Educators, Informal Educators, Engineering, Science, Mission Events

  • Lyle Tavernier
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Tonya Beatty stands with a model of the HAR-V rover she's helping design

All spacecraft are made for extreme environments. They travel through dark, frigid regions of space, battle intense radiation and, in some cases, perform daring feats to land on mysterious worlds. But the rover that Tonya Beatty is helping design for Venus – and other so-called extreme environments – is in a class all its own. Venus is so inhospitable that no spacecraft has ever lasted more than about two hours on the surface. So Beatty, an intern at NASA's Jet Propulsion Laboratory and an aerospace engineering student at College of the Canyons, is working to develop a new kind of rover that's powered mostly by gears rather than sensitive electronics. We caught up with Beatty just before she embarked on another engineering challenge – JPL's annual Halloween pumpkin-carving contest – to find out what it takes to turn an impossible idea into a reality.

JPL Interns

Meet JPL Interns

Read stories from interns pushing the boundaries of space exploration and science at the leading center for robotic exploration of the solar system.

What are you working on at JPL?

I'm working with a team on the HAR-V project, which stands for Hybrid Automaton Rover-Venus. It’s a study to develop a rover meant to go to Venus. I'm assisting in the development of mechanical systems and mechanisms on the prototype, using clockwork maneuvers. This rover will use minimal electronics, so when I say clockwork, I mean gears and anything that does not rely on electronics.

Why is this rover not relying on electronics and relying more on a gear system?

The environment on Venus includes sulfuric acid clouds, a surface pressure about 90 times what it is on Earth and a temperature that exceeds 800 degrees Fahrenheit. The materials in most electronics would melt in that extreme environment, so that's why we're trying to go mechanical. The previous landers that have gone to Venus have relied on electronics, and the one that lasted the longest only lasted 127 minutes, whereas ours, using the mechanical design, is projected to last about six months. So that's why we're going with this design.

What does a typical day look like for you?

A typical day for me consists of designing mechanisms, designing mechanical systems, ordering parts for those mechanical systems, testing them on the active prototype that we have and redesigning if necessary. It's kind of a mixture of all that, depending on where we're at in each step.

What is the ultimate goal of your project?

My personal goal with this internship is to connect the things I'm learning in school to real-world applications, as well as see what it would be like to be an aerospace engineer. Specific to the HAR-V study, my goals are to design a power-transfer mechanism, redesign the reversing mechanism on the rover itself, and redesign the obstacle avoidance mechanism. Those are all things that I'm now learning as I'm doing the internship, which is great. I love learning new things.

As for HAR-V itself, the goal is to be able to withstand those extreme environments for longer than 127 minutes and retrieve the groundbreaking data that we've been wanting from Venus but haven't been able to get because we haven't had the time we need [with previous landers].

Personally, at 19, I never thought that I would be working on a rover for Venus at NASA. By sharing my story, I hope people take away that some of the things they might think are impossible are really right there. They’ve just got to reach for it.

What's the most JPL or NASA unique experience that you've had so far?

As much as I'd like to say something cool like watching the rovers being tested, I have to say it's the deer. Every day, wherever I go – to laser-cut something or go get a coffee – I see deer. One day I saw six. I just think that's so unique because it’s something I never expected to get from this experience. And I think it’s unique to JPL.

Pumpkin modeled after Miguel from the movie 'Coco' strumming a guitar

Beatty participated in JPL's annual Halloween pumpkin-carving contest and, with her team, won first place with this pumpkin modeled after the character Miguel from the movie "Coco." Image credit: NASA/JPL-Caltech | + Expand image

Speaking of unique experiences, your group holds an annual pumpkin-carving contest and makes some amazing creations. Are you planning to participate in the contest this year?

I actually just got the emails today. I didn't know this was a JPL thing. It's a big deal! So, yes, I'd like to!

Do you know what your team is planning to make? Don’t worry, we won’t share this until after the contest, so it won't leak to any competitor.

We're making Miguel from [the movie] “Coco” with his guitar, and we're going to try and make it move.

How does designing a mechanical or creative pumpkin compare to designing a rover for Venus?

Well, with a pumpkin, I would care about how it looks, whereas with the rover, I care about how it functions. A pumpkin has real guts, and a rover has metaphorical guts. It's got to keep on going. But I think the biggest similarity is the creativeness between both of them, because you have to be creative to make an innovative pumpkin. Just like when you design a rover, you have to be creative; you can't just be smart. You have to have those creative ideas. You have to think outside of the box to actually design efficient and effective components, and you can't just give up. When you have a failed attempt, you try it again.

Do you have any tips for anyone who want to make a creative pumpkin?

JPL Interns

Create a Halloween Pumpkin Like a NASA Engineer

Get tips from NASA engineers on how to make an out-of-this-world Halloween pumpkin.

Don't be afraid of your ideas. Sometimes we limit ourselves because we're like, “You know that's too crazy. We shouldn't do that,” but it takes crazy ideas to be an engineer and it takes crazy ideas to carve a good pumpkin.

OK, back to your internship: How do you feel you're contributing to NASA missions and science?

I think my active participation in the rover study is helping contribute to NASA-JPL missions, because something I have designed could very well be on an actual rover that could go to Venus, that would retrieve data, that does help NASA. So I think in that sense, I am contributing.

One last fun question: If you could travel to any place in space, where would you go, and what would you do there?

I would go to Europa. I would like to see first-hand if there is an ocean and if there's an environment that could sustain life. Chemistry has always interested me, so I would love to see that up close and analyze everything.


Explore JPL’s summer and year-round internship programs and apply at: https://www.jpl.nasa.gov/edu/intern

The laboratory’s STEM internship and fellowship programs are managed by the JPL Education Office. Extending the NASA Office of Education’s reach, JPL Education seeks to create the next generation of scientists, engineers, technologists and space explorers by supporting educators and bringing the excitement of NASA missions and science to learners of all ages.

TAGS: Women in STEM, Higher Education, Internships, Students, Engineering, Rovers, Venus

  • Lyle Tavernier
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JPL intern Omar Rehman

While the world of engineering is a familiar one to Omar Rehman (his major is transportation design and he comes from a family of engineers) his internship at NASA’s Jet Propulsion Laboratory is all about bridging the gap between form and function. NASA’s next Mars rover, currently in development and planned for launch in 2020, will acquire a set of carefully selected samples of rocks and surface material and store them in sealed tubes for possible return to Earth by a future mission. Returning samples from Mars is a complicated problem. So, a team at JPL is taking an in-depth look at how it could be done. In addition to using his transportation design background to help the team come up with ideas for a vessel that could bring the samples to Earth, Rehman is using visual arts to convey why a “sample-return mission” would be such a big deal. We caught up with the Art Center College of Design student to find out how he’s using art and design to help tell the story of how we're designing missions that might bring the first samples back from Mars.

What are you working on at JPL?

I am on a study team exploring options for a pair of missions that could take key next steps to bring samples back from Mars. I work in JPL’s Mobility and Robotics Systems section. I was primarily brought on to do visuals that translate what the mission concept is designed to do in a more cinematic and visual way so people can understand it. However, since getting here, I've been wearing multiple hats: working on visuals but also picking up my engineering hat from back in the day. I’m illustrating scenes for the Mars Sample Return study and conveying my ideas for a transportation vessel that could be used for the endeavor. The bit of engineering experience I had when I was younger has helped me understand and elaborate on the functional and mechanical side of these ideas. I'm absorbing all the knowledge, learning terminology and really getting into it – living the dream as an intern!

JPL Interns

Meet JPL Interns

Read stories from interns pushing the boundaries of space exploration and science at the leading center for robotic exploration of the solar system.

What is a typical day like for you?

What's most important for a designer or design student is to get out your ideas. You've got to keep the practice up. So I actually sketch every morning. If you look at the wall above my desk, it's all sketches: random sketches and concept satellites, maybe some entertainment ideas, some cars here and there, spaceships – who knows? – just anything to keep my juices flowing and keep my creativity going. Then, I put that creative mind to rest for a little bit and start again.

I’ve also been working on matrices to evaluate the criteria of sample-return mission concepts and the types of innovative variations that would be compatible within the whole system. My work as a designer also comes into play when I create both visual and verbal documents that will help stakeholders understand technical aspects of the designs.

When I get home, I’ll maybe have a snack or relax and unwind, then sketch a little more before I go to bed, and do it all again.

What was the ultimate goal of your project?

I really want to convey the options for Mars Sample Return in a very cinematic way so that people can remember it. And then in terms of the engineering side, before I leave, I want to conceive a concept for a system to help transport the Mars samples once they have been captured that would be innovative but also be realistic and work within the aerospace parameters.

How might your project help the average person one day?

I'm conveying the entire story, from liftoff in 2020 to getting to Mars, collecting samples, potentially getting back up off the surface and heading back to Earth. I think it'll help people remember what Mars 2020 is all about and how it fits in the larger story of future missions that may return a sample to Earth. Hopefully they'll remember those images for years, along with the whole mission's success.

Omar Rehman works on an illustration at JPL

Image credit: NASA/JPL-Caltech/Lyle Tavernier | + Expand image

What is the most JPL- or NASA-unique experience you've had so far?

So many! Meeting the awesome interns. Seeing everything around JPL that's being developed and tested. That's so cool. Also, the intern before me is now interning at NASA’s Armstrong Flight Research Center in the Mojave Desert. He invited the whole team to go visit. We got to see the F-15B Eagle that is being used for NASA research. We looked at concepts they're coming up with – just crazy stuff like you'd see in movies, but it's actually being built!

How do you think you're contributing to NASA/JPL missions and science?

I think bringing the visual-designer mentality to this engineering-driven community is really good. I think that designers can contribute to these kinds of communities. We can help engineers translate ideas really fast. Maybe there are some skills that engineers lack in design and some skills that designers lack in engineering, but when they come together there's a good balance of work output and ideas, and a good combination of solid engineering and design aesthetics coming together to create a beautiful machine. There's beauty in function, but there's also beauty in function being balanced with an appropriate aesthetic.

If you could travel to any place in space, where would you go and what would you do there?

I get really sci-fi about this stuff. Imagine a theoretical scenario in which you have infinite timelines moving in parallel. Let's say it's like a guitar, and each string is you on a different timeline, moving in different places with different stories. If there is somewhere I can go that's either inside this galaxy or outside that can bring me to these different timelines and lets me come back and explore my own reality or different realities, that's where I want to go.


Explore JPL’s summer and year-round internship programs and apply at: https://www.jpl.nasa.gov/edu/intern

The laboratory’s STEM internship and fellowship programs are managed by the JPL Education Office. Extending the NASA Office of Education’s reach, JPL Education seeks to create the next generation of scientists, engineers, technologists and space explorers by supporting educators and bringing the excitement of NASA missions and science to learners of all ages.

TAGS: Internships, Higher Education, Career Guidance, Mars 2020, Mars Sample Return

  • Lyle Tavernier
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Pi in the Sky 5 promo graphic

Update: March 15, 2018 – The answers to the 2018 NASA Pi Day Challenge are here! View the illustrated answer key


In the News

Pi in the Sky 5

The 2018 NASA Pi Day Challenge

Can you solve these stellar mysteries with pi? Click to get started.

Pi Day, the annual celebration of one of mathematics’ most popular numbers, is back! Representing the ratio of a circle’s circumference to its diameter, pi has many practical applications, including the development and operation of space missions at NASA’s Jet Propulsion Laboratory.

The March 14 holiday is celebrated around the world by math enthusiasts and casual fans alike – from memorizing digits of pi (the current Pi World Ranking record is 70,030 digits) to baking and eating pies.

JPL is inviting people to participate in its 2018 NASA Pi Day Challenge – four illustrated math puzzlers involving pi and real problems scientists and engineers solve to explore space, also available as a free poster! Answers will be released on March 15. 

Why March 14?

Pi is what’s known as an irrational number, meaning its decimal representation never ends and it never repeats. It has been calculated to more than one trillion digits, but NASA scientists and engineers actually use far fewer digits in their calculations (see “How Many Decimals of Pi Do We Really Need?”). The approximation 3.14 is often precise enough, hence the celebration occurring on March 14, or 3/14 (when written in U.S. month/day format). The first known celebration occurred in 1988, and in 2009, the U.S. House of Representatives passed a resolution designating March 14 as Pi Day and encouraging teachers and students to celebrate the day with activities that teach students about pi.

NASA’s Pi Day Challenge

Pi in the Sky 5

Lessons: Pi in the Sky

Explore the entire NASA Pi Day Challenge lesson collection, including free posters and handouts!

To show students how pi is used at NASA and give them a chance to do the very same math, the JPL Education Office has once again put together a Pi Day challenge featuring real-world math problems used for space exploration. This year’s challenge includes exploring the interior of Mars, finding missing helium in the clouds of Jupiter, searching for Earth-size exoplanets and uncovering the mysteries of an asteroid from outside our solar system.

Here’s some of the science behind this year’s challenge:

Scheduled to launch May 5, 2018, the InSight Mars lander will be equipped with several scientific instruments, including a heat flow probe and a seismometer. Together, these instruments will help scientists understand the interior structure of the Red Planet. It’s the first time we’ll get an in-depth look at what’s happening inside Mars. On Earth, seismometers are used to measure the strength and location of earthquakes. Similarly, the seismometer on Insight will allow us to measure marsquakes! The way seismic waves travel through the interior of Mars can tell us a lot about what lies beneath the surface. This year’s Quake Quandary problem challenges students to determine the distance from InSight to a hypothetical marsquake using pi!

Also launching in spring is NASA’s Transiting Exoplanet Survey Satellite, or TESS, mission. TESS is designed to build upon the discoveries made by NASA’s Kepler Space Telescope by searching for exoplanets – planets that orbit stars other than our Sun. Like Kepler, TESS will monitor hundreds of thousands of stars across the sky, looking for the temporary dips in brightness that occur when an exoplanet passes in front of its star from the perspective of TESS. The amount that the star dims helps scientists determine the radius of the exoplanet. Like those exoplanet-hunting scientists, students will have to use pi along with data from Kepler to find the size of an exoplanet in the Solar Sleuth challenge.

Jupiter is our solar system’s largest planet. Shrouded in clouds, the planet’s interior holds clues to the formation of our solar system. In 1995, NASA’s Galileo spacecraft dropped a probe into Jupiter’s atmosphere. The probe detected unusually low levels of helium in the upper atmosphere. It has been hypothesized that the helium was depleted out of the upper atmosphere and transported deeper inside the planet. The extreme pressure inside Jupiter condenses helium into droplets that form inside a liquid metallic hydrogen layer below. Because the helium is denser than the surrounding hydrogen, the helium droplets fall like rain through the liquid metallic hydrogen. In 2016, the Juno spacecraft, which is designed to study Jupiter’s interior, entered orbit around the planet. Juno’s initial gravity measurements have helped scientists better understand the inner layers of Jupiter and how they interact, giving them a clearer window into what goes on inside the planet. In the Helium Heist problem, students can use pi to find out just how much helium has been depleted from Jupiter’s upper atmosphere over the planet’s lifetime.

In October 2017, astronomers spotted a uniquely-shaped object traveling in our solar system. Its path and high velocity led scientists to believe ‘Oumuamua, as it has been dubbed, is actually an object from outside of our solar system – the first ever interstellar visitor to be detected – that made its way to our neighborhood thanks to the Sun’s gravity. In addition to its high speed, ‘Oumuamua is reflecting the Sun’s light with great variation as the asteroid rotates on its axis, causing scientists to conclude it has an elongated shape. In the Asteroid Ace problem, students can use pi to find the rate of rotation for ‘Oumuamua and compare it with Earth’s rotation rate.

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TAGS: Pi Day, Math, Science, Engineering, NASA Pi Day Challenge, K-12, Lesson, Activity, Slideshow, Mars, Jupiter, Exoplanets, Kepler, Kepler-186f, Juno, InSight, TESS, ‘Oumuamua, asteroid, asteroids, NEO, Nearth Earth Object

  • Lyle Tavernier
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Animation showing a total lunar eclipse. Credit: NASA Goddard Media Studios

In the News

A full moon is always a good reason to go outside and turn your head toward the sky, but those who do so early on January 31 will be treated to the sight of what’s being called the super blue blood moon! Super, because the moon will be closest to Earth in its orbit during the full moon (more on supermoons here); blue, because it’s the second full moon in a calendar month; and blood, because there will be a total lunar eclipse that will turn the moon a reddish hue. It’s the only total lunar eclipse (blood moon) visible from North America in 2018, so it’s a great opportunity for students to observe the Moon – and for teachers to make connections to in-class science content.

How It Works

Side-by-side images showing how the Moon, Sun and Earth align during an lunar eclipse versus a standard full moon

These side-by-side graphics show how the Moon, Sun and Earth align during a lunar eclipse (left) versus a non-eclipse full moon (right). Credit: NASA Goddard Visualization Studio | + Enlarge image

Eclipses can occur when the Sun, the Moon and Earth align. Lunar eclipses can only happen during the full moon phase, when the Moon and the Sun are on opposite sides of Earth. At that point, the Moon could move into the shadow cast by Earth, resulting in a lunar eclipse. However, most of the time, the Moon’s slightly tilted orbit brings it above or below the shadow of Earth.

The time period when the Moon, Earth and the Sun are lined up and on the same plane – allowing for the Moon to pass through Earth’s shadow – is called an eclipse season. Eclipse seasons last about 34 days and occur just shy of every six months. When a full moon occurs during an eclipse season, the Moon travels through Earth’s shadow, creating a lunar eclipse.

Graphic showing the alignment of the Sun, Earth and Moon when a full moon occurs during an eclipse season versus a non-eclipse season

When a full moon occurs during an eclipse season, the Moon travels through Earth's shadow, creating a lunar eclipse. Credit: NASA/JPL-Caltech | + Enlarge image

Unlike solar eclipses, which require special glasses to view and can only be seen for a few short minutes in a very limited area, a total lunar eclipse can be seen for about an hour by anyone on the nighttime side of Earth – as long as skies are clear!

Why It’s Important

Moon and Supermoon Lessons from NASA/JPL Edu

Lessons About the Moon

Explore our collection of standards-aligned lessons for grades 1-12.

Lunar eclipses have long played an important role in understanding Earth and its motions in space.

In ancient Greece, Aristotle noted that the shadows on the Moon during lunar eclipses were round, regardless of where an observer saw them. He realized that only if Earth were a spheroid would its shadows be round – a revelation that he and others had many centuries before the first ships sailed around the world.

Earth wobbles on its axis like a spinning top that’s about to fall over, a phenomenon called precession. Earth completes one wobble, or precession cycle, over the course of 26,000 years. Greek astronomer Hipparchus made this discovery by comparing the position of stars relative to the Sun during a lunar eclipse to those recorded hundreds of years earlier. A lunar eclipse allowed him to see the stars and know exactly where the Sun was for comparison – directly opposite the Moon. If Earth didn’t wobble, the stars would appear to be in the same place they were hundreds of years earlier. When Hipparchus saw that the stars’ positions had indeed moved, he knew that Earth must wobble on its axis!

Additionally, modern-day astronomers have used ancient eclipse records and compared them with computer simulations. These comparisons helped scientists determine the rate at which Earth’s rotation is slowing.

What to Expect

Graphic showing the positions of the Moon, Earth and Sun during a partial lunar eclipse

During a total lunar eclipse, the Moon first enters into the penumbra, or the outer part of Earth's shadow, where the shadow is still penetrated by some sunlight. Credit: NASA | + Enlarge image

The Moon as seen during a partial lunar eclipse

As the Moon starts to enter into the umbra, the inner and darker part of Earth's shadow, it appears as if a bite has been taken out of the Moon. This "bite" will grow until the Moon has entered fully into the umbra. Credit: NASA | + Enlarge image

Graphic showing the Moon inside the umbra

The total lunar eclipse starts once the moon is completely inside the umbra. And the moment of greatest eclipse happens with the Moon is halfway through the umbra as shown in this graphic. Credit: NASA | + Enlarge image

The Moon as seen during a total lunar eclipse at the point of greatest eclipse

As the Moon moves completely into the umbra, it turns a reddish-orange color. Credit: NASA | + Enlarge image

The Moon passes through two distinct parts of Earth’s shadow during a lunar eclipse. The outer part of the cone-shaped shadow is called the penumbra. The penumbra is less dark than the inner part of the shadow because it’s penetrated by some sunlight. (You have probably noticed that some shadows on the ground are darker than others, depending on how much outside light enters the shadow; the same is true for the outer part of Earth’s shadow). The inner part of the shadow, known as the umbra, is much darker because Earth blocks additional sunlight from entering the umbra.

At 2:51 a.m. PST on January 31, 2018, the edge of the Moon will begin entering the penumbra. The Moon will dim very slightly for the next 57 minutes as it moves deeper into the penumbra. Because this part of Earth’s shadow is not fully dark, you may only notice some dim shading (if anything at all) on the Moon near the end of this part of the eclipse. Should you decide to sleep in during this time, you won’t miss much.

At 3:48 a.m. PST, the edge of the Moon will begin entering the umbra. As the Moon moves into the darker shadow, significant darkening will be noticeable. Some say that during this part of the eclipse, the Moon looks as if it has had a bite taken out of it. That “bite” gets bigger and bigger as the Moon moves deeper into the shadow. If you will be on the East Coast of the United States, you might still be able to see the Moon just as it moves into the umbra before the Moon sets and the Sun rises.

At 4:51 a.m. PST, the Moon will be completely inside the umbra, marking the beginning of the total lunar eclipse. The moment of greatest eclipse, when the Moon is halfway through the umbra, occurs at 5:31 a.m. PST.

As the Moon moves completely into the umbra, something interesting happens: The Moon begins to turn reddish-orange. The reason for this phenomenon? Earth’s atmosphere. As sunlight passes through it, the small molecules that make up our atmosphere scatter blue light, which is why the sky appears blue. This leaves behind mostly red light that bends, or refracts, into Earth’s shadow. We can see the red light during an eclipse as it falls onto the Moon in Earth’s shadow. This same effect is what gives sunrises and sunsets a reddish-orange color.

A variety of factors affect the appearance of the Moon during a total lunar eclipse. Clouds, dust, ash, photochemical droplets and organic material in the atmosphere can change how much light is refracted into the umbra. Additionally, the January 2018 lunar eclipse takes place when the full moon is at or near the closest point in its orbit to Earth (popularly known as a supermoon). This means it is deeper inside the umbra shadow and therefore may appear darker. The potential for variation provides a great opportunity for students to observe and classify the lunar eclipse based on its brightness. Details can be found below in the “Teach It” section.

At 6:07 a.m. PST, the edge of the Moon will begin exiting the umbra and moving into the opposite side of the penumbra. This marks the end of the total lunar eclipse.

At 7:11 a.m. PST, the Moon will be completely outside of the umbra. It will continue moving out of the penumbra until the eclipse ends at 8:08 a.m.

Teach It

Ask students to observe the lunar eclipse and evaluate the Moon’s brightness using the Danjon Scale of Lunar Eclipse Brightness. The Danjon scale illustrates the range of colors and brightness the Moon can take on during a total lunar eclipse and is a tool observers can use to characterize the appearance of an eclipse. View the lesson guide here. After the eclipse, have students compare and justify their evaluations of the eclipse.

Use these standards-aligned lessons and related activities to get your students excited about the eclipse, moon phases and Moon observations.

  • *NEW* Evaluating a Lunar Eclipse (Grades 3-12) - Students use the Danjon Scale of Lunar Eclipse Brightness to illustrate the range of colors and brightness the Moon can take on during a total lunar eclipse.
  • Observing the Moon (Grades K-6) - Students identify the Moon’s location in the sky and record their observations in a journal over the course of the moon-phase cycle.
  • Moon Phases (Grades 1-6) - Students learn about the phases of the Moon by acting them out. In 30 minutes, they will act out one complete, 30-day, Moon cycle.
  • Measuring the Supermoon (Grades 5-12) - Students take measurements of the Moon during its full phase over multiple Moon cycles to compare and contrast results.
  • Modeling the Earth-Moon System (Grades 6-8) – Students learn about scale models and distance by creating a classroom-size Earth-Moon system.
  • Make a Moon Phases Calendar and Calculator – Like a decoder wheel for the Moon, this calendar will show you where and when to see the Moon and every moon phase throughout the year!

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TAGS: Lunar Eclipse, Moon, Super Blue Blood Moon, Observe the Moon, Eclipse, K-12, Classroom Activities, Teaching

  • Lyle Tavernier
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