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This is a frame from a video which shows illustrations of the seven Earth-size planets of TRAPPIST-1, an exoplanet system about 40 light-years away, based on data current as of February 2018.
This is a frame from a video which shows illustrations of the seven Earth-size planets of TRAPPIST-1, an exoplanet system about 40 light-years away, based on data current as of February 2018.

TRAPPIST-1 Planet Animations

This is a frame from a video which shows illustrations of the seven Earth-size planets of TRAPPIST-1, an exoplanet system about 40 light-years away, based on data current as of February 2018.

Mission: Spitzer Space Telescope
Instrument: TRAPPIST
ID#: PIA22098
Added: 2018-02-05

Views: 318

TRAPPIST-1 Planet Animations

This is a frame from a video which shows illustrations of the seven Earth-size planets of TRAPPIST-1, an exoplanet system about 40 light-years away, based on data current as of February 2018.

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This illustration shows the seven Earth-size planets of TRAPPIST-1. The image does not show the planets' orbits to scale, but highlights possibilities for how the surfaces of these intriguing worlds might look.
This illustration shows the seven Earth-size planets of TRAPPIST-1. The image does not show the planets' orbits to scale, but highlights possibilities for how the surfaces of these intriguing worlds might look.

Illustration of TRAPPIST-1 Planets as of Feb. 2018

This illustration shows the seven Earth-size planets of TRAPPIST-1. The image does not show the planets' orbits to scale, but highlights possibilities for how the surfaces of these intriguing worlds might look.

Mission: Spitzer Space Telescope
Instrument: TRAPPIST
ID#: PIA22097
Added: 2018-02-05

Views: 653

Illustration of TRAPPIST-1 Planets as of Feb. 2018

This illustration shows the seven Earth-size planets of TRAPPIST-1. The image does not show the planets' orbits to scale, but highlights possibilities for how the surfaces of these intriguing worlds might look.

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All seven planets discovered in orbit around the red dwarf star TRAPPIST-1 could easily fit inside the orbit of Mercury, the innermost planet of our solar system. In fact, they would have room to spare.
All seven planets discovered in orbit around the red dwarf star TRAPPIST-1 could easily fit inside the orbit of Mercury, the innermost planet of our solar system. In fact, they would have room to spare.

TRAPPIST-1 Compared to Jovian Moons and Inner Solar System - Updated Feb. 2018

All seven planets discovered in orbit around the red dwarf star TRAPPIST-1 could easily fit inside the orbit of Mercury, the innermost planet of our solar system. In fact, they would have room to spare.

Mission: Spitzer Space Telescope
Instrument: TRAPPIST
ID#: PIA22096
Added: 2018-02-05

Views: 544

TRAPPIST-1 Compared to Jovian Moons and Inner Solar System - Updated Feb. 2018

All seven planets discovered in orbit around the red dwarf star TRAPPIST-1 could easily fit inside the orbit of Mercury, the innermost planet of our solar system. In fact, they would have room to spare.

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This graph presents known properties of the seven TRAPPIST-1 exoplanets (labeled b through h), showing how they stack up to the inner rocky worlds in our own solar system.
This graph presents known properties of the seven TRAPPIST-1 exoplanets (labeled b through h), showing how they stack up to the inner rocky worlds in our own solar system.

Comparing TRAPPIST-1 to the Solar System

This graph presents known properties of the seven TRAPPIST-1 exoplanets (labeled b through h), showing how they stack up to the inner rocky worlds in our own solar system.

Mission: Spitzer Space Telescope
Instrument: TRAPPIST
ID#: PIA22095
Added: 2018-02-05

Views: 409

Comparing TRAPPIST-1 to the Solar System

This graph presents known properties of the seven TRAPPIST-1 exoplanets (labeled b through h), showing how they stack up to the inner rocky worlds in our own solar system.

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This chart shows artist concepts of the seven planets of TRAPPIST-1 with their orbital periods, distances from their star, radii, masses, densities and surface gravity as compared to those of Earth. These numbers are current as of February 2018.
This chart shows artist concepts of the seven planets of TRAPPIST-1 with their orbital periods, distances from their star, radii, masses, densities and surface gravity as compared to those of Earth. These numbers are current as of February 2018.

TRAPPIST-1 Planet Lineup - Updated Feb. 2018

This chart shows artist concepts of the seven planets of TRAPPIST-1 with their orbital periods, distances from their star, radii, masses, densities and surface gravity as compared to those of Earth. These numbers are current as of February 2018.

Mission: Spitzer Space Telescope
Instrument: TRAPPIST
ID#: PIA22094
Added: 2018-02-05

Views: 1254

TRAPPIST-1 Planet Lineup - Updated Feb. 2018

This chart shows artist concepts of the seven planets of TRAPPIST-1 with their orbital periods, distances from their star, radii, masses, densities and surface gravity as compared to those of Earth. These numbers are current as of February 2018.

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This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star, as of February 2018.
This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star, as of February 2018.

TRAPPIST-1 Planet Lineup - Updated Feb. 2018

This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star, as of February 2018.

Mission: Spitzer Space Telescope
Instrument: TRAPPIST
ID#: PIA22093
Added: 2018-02-05

Views: 590

TRAPPIST-1 Planet Lineup - Updated Feb. 2018

This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star, as of February 2018.

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This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. Data from NASA's Spitzer and Hubble space telescopes have been combined to show these dramatic galaxies.
This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. Data from NASA's Spitzer and Hubble space telescopes have been combined to show these dramatic galaxies.

Arp 142: The Penguin and the Egg

This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. Data from NASA's Spitzer and Hubble space telescopes have been combined to show these dramatic galaxies.

Mission: Hubble Space Telescope, Spitzer Space Telescope
ID#: PIA22092
Added: 2018-01-31

Views: 2194

Arp 142: The Penguin and the Egg

This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. Data from NASA's Spitzer and Hubble space telescopes have been combined to show these dramatic galaxies.

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This artist's concept showcases both the visible and infrared visualizations of the Orion Nebula, looking down a 'valley' leading to the star cluster at far end.
This artist's concept showcases both the visible and infrared visualizations of the Orion Nebula, looking down a 'valley' leading to the star cluster at far end.

Visible and Infrared Visualization of the Orion Nebula (Artist's Concept)

This artist's concept showcases both the visible and infrared visualizations of the Orion Nebula, looking down a 'valley' leading to the star cluster at far end.

Mission: Hubble Space Telescope, Spitzer Space Telescope
ID#: PIA22089
Added: 2018-01-11

Views: 3261

Visible and Infrared Visualization of the Orion Nebula (Artist's Concept)

This artist's concept showcases both the visible and infrared visualizations of the Orion Nebula, looking down a 'valley' leading to the star cluster at far end.

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This artist concept shows the K2-138 system, the first multi-planet system discovered by citizen scientists.
This artist concept shows the K2-138 system, the first multi-planet system discovered by citizen scientists.

Kepler K2-138 System (Artist's Concept)

This artist concept shows the K2-138 system, the first multi-planet system discovered by citizen scientists.

Mission: Kepler
ID#: PIA22088
Added: 2018-01-11

Views: 2633

Kepler K2-138 System (Artist's Concept)

This artist concept shows the K2-138 system, the first multi-planet system discovered by citizen scientists.

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NASA's Hubble Space Telescope shows the farthest galaxy yet seen in an image that has been stretched and amplified by a phenomenon called gravitational lensing.
NASA's Hubble Space Telescope shows the farthest galaxy yet seen in an image that has been stretched and amplified by a phenomenon called gravitational lensing.

NASA's Hubble Spots Embryonic Galaxy SPT0615-JD

NASA's Hubble Space Telescope shows the farthest galaxy yet seen in an image that has been stretched and amplified by a phenomenon called gravitational lensing.

Mission: Hubble Space Telescope
ID#: PIA22079
Added: 2018-01-11

Views: 5650

NASA's Hubble Spots Embryonic Galaxy SPT0615-JD

NASA's Hubble Space Telescope shows the farthest galaxy yet seen in an image that has been stretched and amplified by a phenomenon called gravitational lensing.

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This artist's impression is of NASA's New Horizons spacecraft encountering 2014 MU69, a Kuiper Belt object that orbits one billion miles (1.6 billion kilometers) beyond Pluto, on Jan. 1, 2019.
This artist's impression is of NASA's New Horizons spacecraft encountering 2014 MU69, a Kuiper Belt object that orbits one billion miles (1.6 billion kilometers) beyond Pluto, on Jan. 1, 2019.

New Horizons Encountering 2014 MU69 (Artist's Impression)

This artist's impression is of NASA's New Horizons spacecraft encountering 2014 MU69, a Kuiper Belt object that orbits one billion miles (1.6 billion kilometers) beyond Pluto, on Jan. 1, 2019.

Target: 2014 MU69
Mission: New Horizons
ID#: PIA22190
Added: 2018-01-04

Views: 483

New Horizons Encountering 2014 MU69 (Artist's Impression)

This artist's impression is of NASA's New Horizons spacecraft encountering 2014 MU69, a Kuiper Belt object that orbits one billion miles (1.6 billion kilometers) beyond Pluto, on Jan. 1, 2019.

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With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept compared with our own solar system.
With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept compared with our own solar system.

Kepler-90 System Compared to Our Solar System (Artist's Concept)

With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept compared with our own solar system.

Mission: Kepler
ID#: PIA22193
Added: 2017-12-14

Views: 3991

Kepler-90 System Compared to Our Solar System (Artist's Concept)

With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept compared with our own solar system.

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With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept.
With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept.

Kepler-90 system (Artist's Concept)

With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept.

Mission: Kepler
ID#: PIA22192
Added: 2017-12-14

Views: 1176

Kepler-90 system (Artist's Concept)

With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept.

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To receive the same amount of starlight as Mars receives from our Sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the Sun.
To receive the same amount of starlight as Mars receives from our Sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the Sun.

How Habitable Might an Exo-Mars Be?

To receive the same amount of starlight as Mars receives from our Sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the Sun.

Mission: Mars Atmosphere and Volatile Evolution MissioN (MAVEN)
ID#: PIA22075
Added: 2017-12-13

Views: 661

How Habitable Might an Exo-Mars Be?

To receive the same amount of starlight as Mars receives from our Sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the Sun.

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A NASA-led team of scientists determined that WASP-18b, a 'hot Jupiter' located 325 light-years from Earth, has a stratosphere that's loaded with carbon monoxide, but has no signs of water.
A NASA-led team of scientists determined that WASP-18b, a 'hot Jupiter' located 325 light-years from Earth, has a stratosphere that's loaded with carbon monoxide, but has no signs of water.

WASP-18b (Artist's Concept)

A NASA-led team of scientists determined that WASP-18b, a 'hot Jupiter' located 325 light-years from Earth, has a stratosphere that's loaded with carbon monoxide, but has no signs of water.

ID#: PIA22087
Added: 2017-11-29

Views: 871

WASP-18b (Artist's Concept)

A NASA-led team of scientists determined that WASP-18b, a 'hot Jupiter' located 325 light-years from Earth, has a stratosphere that's loaded with carbon monoxide, but has no signs of water.

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The super-Earth exoplanet 55 Cancri e, depicted with its star in this artist's concept, likely has an atmosphere thicker than Earth's but with ingredients that could be similar to those of Earth's atmosphere.
The super-Earth exoplanet 55 Cancri e, depicted with its star in this artist's concept, likely has an atmosphere thicker than Earth's but with ingredients that could be similar to those of Earth's atmosphere.

55 Cancri e with Atmosphere (Artist's Concept)

The super-Earth exoplanet 55 Cancri e, depicted with its star in this artist's concept, likely has an atmosphere thicker than Earth's but with ingredients that could be similar to those of Earth's atmosphere.

Mission: Spitzer Space Telescope
ID#: PIA22069
Added: 2017-11-16

Views: 1203

55 Cancri e with Atmosphere (Artist's Concept)

The super-Earth exoplanet 55 Cancri e, depicted with its star in this artist's concept, likely has an atmosphere thicker than Earth's but with ingredients that could be similar to those of Earth's atmosphere.

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This artist's concept shows a black hole with an accretion disk -- a flat structure of material orbiting the black hole -- and a jet of hot gas, called plasma.
This artist's concept shows a black hole with an accretion disk -- a flat structure of material orbiting the black hole -- and a jet of hot gas, called plasma.

Black Hole With Jet (Artist's Concept)

This artist's concept shows a black hole with an accretion disk -- a flat structure of material orbiting the black hole -- and a jet of hot gas, called plasma.

Mission: NuSTAR
ID#: PIA22085
Added: 2017-11-02

Views: 2210

Black Hole With Jet (Artist's Concept)

This artist's concept shows a black hole with an accretion disk -- a flat structure of material orbiting the black hole -- and a jet of hot gas, called plasma.

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This artist's concept shows an exoplanet and debris disk orbiting a polluted white dwarf. White dwarfs are dim, dense remnants of stars similar to the Sun that have exhausted their nuclear fuel and blown off their outer layers.
This artist's concept shows an exoplanet and debris disk orbiting a polluted white dwarf. White dwarfs are dim, dense remnants of stars similar to the Sun that have exhausted their nuclear fuel and blown off their outer layers.

Polluted White Dwarf (Artist's Concept)

This artist's concept shows an exoplanet and debris disk orbiting a polluted white dwarf. White dwarfs are dim, dense remnants of stars similar to the Sun that have exhausted their nuclear fuel and blown off their outer layers.

Mission: Spitzer Space Telescope, Wide-field Infrared Survey Explorer (WISE)
ID#: PIA22084
Added: 2017-11-01

Views: 1261

Polluted White Dwarf (Artist's Concept)

This artist's concept shows an exoplanet and debris disk orbiting a polluted white dwarf. White dwarfs are dim, dense remnants of stars similar to the Sun that have exhausted their nuclear fuel and blown off their outer layers.

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NASA's Spitzer Space Telescope has provisionally detected the faint afterglow of the explosive merger of two neutron stars in the galaxy NGC 4993.
NASA's Spitzer Space Telescope has provisionally detected the faint afterglow of the explosive merger of two neutron stars in the galaxy NGC 4993.

Spitzer Observes Neutron Star Collision

NASA's Spitzer Space Telescope has provisionally detected the faint afterglow of the explosive merger of two neutron stars in the galaxy NGC 4993.

Target: NGC 4993
Mission: Spitzer Space Telescope
Instrument: Infrared Array Camera (IRAC)
ID#: PIA21910
Added: 2017-10-16

Views: 1827

Spitzer Observes Neutron Star Collision

NASA's Spitzer Space Telescope has provisionally detected the faint afterglow of the explosive merger of two neutron stars in the galaxy NGC 4993.

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This artist's rendering shows a large exoplanet causing small bodies to collide in a disk of dust.
This artist's rendering shows a large exoplanet causing small bodies to collide in a disk of dust.

Giant Exoplanet and Debris Disk (Artist's Concept)

This artist's rendering shows a large exoplanet causing small bodies to collide in a disk of dust.

ID#: PIA22082
Added: 2017-10-11

Views: 1406

Giant Exoplanet and Debris Disk (Artist's Concept)

This artist's rendering shows a large exoplanet causing small bodies to collide in a disk of dust.

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This illustration depicts a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian's Star or Tabby's Star.
This illustration depicts a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian's Star or Tabby's Star.

Tabby's Star (Illustration)

This illustration depicts a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian's Star or Tabby's Star.

Mission: Spitzer Space Telescope
ID#: PIA22081
Added: 2017-10-04

Views: 2787

Tabby's Star (Illustration)

This illustration depicts a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian's Star or Tabby's Star.

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By using NASA's Spitzer Space Telescope, astronomers have found that the varying glow of brown dwarfs over time can be explained by bands of patchy clouds rotating at different speeds, as shown in this artist's concept.
By using NASA's Spitzer Space Telescope, astronomers have found that the varying glow of brown dwarfs over time can be explained by bands of patchy clouds rotating at different speeds, as shown in this artist's concept.

Brown Dwarf Weather (Artist's Concept)

By using NASA's Spitzer Space Telescope, astronomers have found that the varying glow of brown dwarfs over time can be explained by bands of patchy clouds rotating at different speeds, as shown in this artist's concept.

Mission: Spitzer Space Telescope
ID#: PIA21752
Added: 2017-08-17

Views: 2292

Brown Dwarf Weather (Artist's Concept)

By using NASA's Spitzer Space Telescope, astronomers have found that the varying glow of brown dwarfs over time can be explained by bands of patchy clouds rotating at different speeds, as shown in this artist's concept.

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This artist's concept shows what the TRAPPIST-1 planetary system may look like from a vantage point near planet TRAPPIST-1f (at right).
This artist's concept shows what the TRAPPIST-1 planetary system may look like from a vantage point near planet TRAPPIST-1f (at right).

TRAPPIST-1 System - Artist Concept

This artist's concept shows what the TRAPPIST-1 planetary system may look like from a vantage point near planet TRAPPIST-1f (at right).

Mission: Spitzer Space Telescope
Instrument: TRAPPIST
ID#: PIA21751
Added: 2017-08-11

Views: 2420

TRAPPIST-1 System - Artist Concept

This artist's concept shows what the TRAPPIST-1 planetary system may look like from a vantage point near planet TRAPPIST-1f (at right).

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Artist's concept of Kuiper Belt object 2014 MU69, which is the next flyby target for NASA's New Horizons mission.
Artist's concept of Kuiper Belt object 2014 MU69, which is the next flyby target for NASA's New Horizons mission.

Artist's Concept of 2014 MU69 as a Single Object

Artist's concept of Kuiper Belt object 2014 MU69, which is the next flyby target for NASA's New Horizons mission.

Target: 2014 MU69
Mission: New Horizons
Spacecraft: New Horizons
ID#: PIA21868
Added: 2017-08-03

Views: 1141

Artist's Concept of 2014 MU69 as a Single Object

Artist's concept of Kuiper Belt object 2014 MU69, which is the next flyby target for NASA's New Horizons mission.

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This is one artist's concept of Kuiper Belt object 2014 MU69, the next flyby target for NASA's New Horizons mission.
This is one artist's concept of Kuiper Belt object 2014 MU69, the next flyby target for NASA's New Horizons mission.

A Kuiper Belt Pair? Artist's Concept of 2014 MU69 as a Binary Object

This is one artist's concept of Kuiper Belt object 2014 MU69, the next flyby target for NASA's New Horizons mission.

Target: 2014 MU69
Mission: New Horizons
Spacecraft: New Horizons
ID#: PIA21867
Added: 2017-08-03

Views: 612

A Kuiper Belt Pair? Artist's Concept of 2014 MU69 as a Binary Object

This is one artist's concept of Kuiper Belt object 2014 MU69, the next flyby target for NASA's New Horizons mission.

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