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This image taken by NASA'S Galaxy Evolution Explorer shows one of the largest flares, or star eruptions, ever recorded at ultraviolet wavelengths. This star is called GJ 3685A.
This image taken by NASA'S Galaxy Evolution Explorer shows one of the largest flares, or star eruptions, ever recorded at ultraviolet wavelengths. This star is called GJ 3685A.

Dwarf Star Erupts in Giant Flare

This ultraviolet image from NASA's Galaxy Evolution Explorer is of the interacting group of galaxies known as Stephan's Quintet (NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320, lower left).
This ultraviolet image from NASA's Galaxy Evolution Explorer is of the interacting group of galaxies known as Stephan's Quintet (NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320, lower left).

Interacting Group of Galaxies Known as Stephan's Quintet

This picture highlights a slice of Saturn's largest ring. The ring (red band) was discovered by NASA's Spitzer Space Telescope, which detected infrared light, or heat, from the dusty ring material.
This picture highlights a slice of Saturn's largest ring. The ring (red band) was discovered by NASA's Spitzer Space Telescope, which detected infrared light, or heat, from the dusty ring material.

Infrared Ring around Saturn

The green dot in the middle of this image might look like an emerald amidst glittering diamonds, but is a dim star belonging to a class called brown dwarfs; it is the first ultra-cool brown dwarf discovered by NASA's Wide-field Infrared Survey Explorer.
The green dot in the middle of this image might look like an emerald amidst glittering diamonds, but is a dim star belonging to a class called brown dwarfs; it is the first ultra-cool brown dwarf discovered by NASA's Wide-field Infrared Survey Explorer.

Collecting Brown Dwarfs in the Night Sky

NASA's Spitzer Space Telescope was able to show that a 'standard candle' used to measure cosmological distances is shrinking, a finding that affects precise measurements of the age, size and expansion rate of our universe.
NASA's Spitzer Space Telescope was able to show that a 'standard candle' used to measure cosmological distances is shrinking, a finding that affects precise measurements of the age, size and expansion rate of our universe.

Standard Candle in the Wind

Astronomers have uncovered patterns of light that appear to be from the first stars and galaxies that formed in the universe. The light patterns were hidden within a strip of sky observed by NASA's Spitzer Space Telescope.
Astronomers have uncovered patterns of light that appear to be from the first stars and galaxies that formed in the universe. The light patterns were hidden within a strip of sky observed by NASA's Spitzer Space Telescope.

Hidden Patterns of Light Revealed by Spitzer

This composite image of asteroid 2007 PA8 was obtained using data taken by NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif.
This composite image of asteroid 2007 PA8 was obtained using data taken by NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif.

NASA Radar Images Asteroid 2007 PA8

The big blob-like structure shown here, named Himiko after the legendary ancient queen of Japan, turns out to be three galaxies thought to be in the process of merging into one.
The big blob-like structure shown here, named Himiko after the legendary ancient queen of Japan, turns out to be three galaxies thought to be in the process of merging into one.

Three-headed Galactic Blob

This map illustrates the numerous star-forming clouds, called cold cores, that European Space Agency's Planck observed throughout our Milky Way galaxy. Planck detected around 10,000 of these cores, thousands of which had never been seen before.
This map illustrates the numerous star-forming clouds, called cold cores, that European Space Agency's Planck observed throughout our Milky Way galaxy. Planck detected around 10,000 of these cores, thousands of which had never been seen before.

Clumps of Cold Stuff Across the Sky

Located 10 million light-years away in the southern constellation Sculptor, the Silver Dollar galaxy, or NGC 253, is one of the brightest spiral galaxies in the night sky as seen in this edge-on view from NASA's Galaxy Evolution Explorer.
Located 10 million light-years away in the southern constellation Sculptor, the Silver Dollar galaxy, or NGC 253, is one of the brightest spiral galaxies in the night sky as seen in this edge-on view from NASA's Galaxy Evolution Explorer.

Triple Scoop from Galaxy Hunter

ESA's Herschel Space Observatory captured asteroid Apophis in its field of view during the approach to Earth on Jan. 5 and 6, 2013.
ESA's Herschel Space Observatory captured asteroid Apophis in its field of view during the approach to Earth on Jan. 5 and 6, 2013.

Herschel's Three-Color View of Asteroid Apophis

This image composite shows a warped and magnified view of a galaxy discovered by the Herschel Space Observatory, one of five such galaxies uncovered by the infrared telescope. The galaxy, referred to as 'SDP 81' is the yellow dot in the left image.
This image composite shows a warped and magnified view of a galaxy discovered by the Herschel Space Observatory, one of five such galaxies uncovered by the infrared telescope. The galaxy, referred to as 'SDP 81' is the yellow dot in the left image.

Analyzing the Pieces of a Warped Galaxy

NASA's Wide-field Infrared Survey Explorer's large field of view and multi-wavelength infrared sight allowed it to form this complete view of the cluster, containing dozens of bright galaxies and hundreds of smaller ones.
NASA's Wide-field Infrared Survey Explorer's large field of view and multi-wavelength infrared sight allowed it to form this complete view of the cluster, containing dozens of bright galaxies and hundreds of smaller ones.

Fornax Galaxy Cluster

This image from NASA's Spitzer Space Telescope shows a computer simulation of the planet HD 80606b from an observer located at a point in space lying between the Earth and the HD 80606 system.
This image from NASA's Spitzer Space Telescope shows a computer simulation of the planet HD 80606b from an observer located at a point in space lying between the Earth and the HD 80606 system.

Tour of Planet with Extreme Temperature Swings

This diagram illustrates the earliest journeys of water in a young, forming star system. NASA's Spitzer Space Telescope was able to probe a crucial phase of this stellar evolution.
This diagram illustrates the earliest journeys of water in a young, forming star system. NASA's Spitzer Space Telescope was able to probe a crucial phase of this stellar evolution.

Steamy Solar System

Something appears to be peering through a shiny red mask, in this new false-colored image from NASA's Spitzer Space Telescope. The mysterious blue eyes are actually starlight from the cores of two merging galaxies, called NGC 2207 and IC 2163.
Something appears to be peering through a shiny red mask, in this new false-colored image from NASA's Spitzer Space Telescope. The mysterious blue eyes are actually starlight from the cores of two merging galaxies, called NGC 2207 and IC 2163.

Ready for the Cosmic Ball

The four stars and one planet of the 30 Ari system are illustrated in this diagram. This quadruple star system consists of two pairs of stars: 30 Ari B and 30 Ari A.
The four stars and one planet of the 30 Ari system are illustrated in this diagram. This quadruple star system consists of two pairs of stars: 30 Ari B and 30 Ari A.

Double Date: Two Pairs of Stars in One System

This artist's concept shows the searing-hot gas planet WASP-12b (orange orb) and its star. NASA's Spitzer Space Telescope discovered that the planet has more carbon than oxygen, making it the first carbon-rich planet ever observed.
This artist's concept shows the searing-hot gas planet WASP-12b (orange orb) and its star. NASA's Spitzer Space Telescope discovered that the planet has more carbon than oxygen, making it the first carbon-rich planet ever observed.

Hot, Carbon-Rich Planet (Artist Concept)

The entire sky as mapped by NASA's WISE at infrared wavelengths is shown here, with an artist's concept of the WISE satellite superimposed.
The entire sky as mapped by NASA's WISE at infrared wavelengths is shown here, with an artist's concept of the WISE satellite superimposed.

A WISE 'Eye' on the Whole Sky

Observations from NASA's Spitzer Space Telescope provide strong evidence that the slender, bulgeless galaxies can, like their chubbier counterparts, harbor supermassive black holes at their cores in this artist concept.
Observations from NASA's Spitzer Space Telescope provide strong evidence that the slender, bulgeless galaxies can, like their chubbier counterparts, harbor supermassive black holes at their cores in this artist concept.

Galaxies of all Shapes Host Black Holes (Artist Concept)

These postage-stamp images taken by NASA's Galaxy Evolution Explorer are helping to solve a mystery -- why do the littlest of galaxies produce the biggest of star explosions, or supernovae?
These postage-stamp images taken by NASA's Galaxy Evolution Explorer are helping to solve a mystery -- why do the littlest of galaxies produce the biggest of star explosions, or supernovae?

Little Galaxies Pack a Big Punch

This image taken with the Palomar Observatory's Hale Telescope, shows the light from three planets orbiting a star 120 light-years away. The planets' star, called HR8799, is located at the spot marked with an 'X.'
This image taken with the Palomar Observatory's Hale Telescope, shows the light from three planets orbiting a star 120 light-years away. The planets' star, called HR8799, is located at the spot marked with an 'X.'

Portrait of Distant Planets

This illustration shows a cool star, called W1906+40, marked by a raging storm near one of its poles. The storm is thought to be similar to the Great Red Spot on Jupiter. Scientists discovered it using NASA's Kepler and Spitzer space telescopes.
This illustration shows a cool star, called W1906+40, marked by a raging storm near one of its poles. The storm is thought to be similar to the Great Red Spot on Jupiter. Scientists discovered it using NASA's Kepler and Spitzer space telescopes.

Cool Star Marked by Long-Lived Storm (Artist's Concept)

This image is an all-sky infrared map consisting of data taken by previous missions: the Infrared Astronomical Satellite; NASA's Cosmic Background Explorer; and the Two-Micron All-Sky Survey.
This image is an all-sky infrared map consisting of data taken by previous missions: the Infrared Astronomical Satellite; NASA's Cosmic Background Explorer; and the Two-Micron All-Sky Survey.

WISE Eyes the Whole Sky

NASA's Galaxy Evolution Explorer is celebrates its fourth year in space with some of M81's 'hottest' stars. In this ultraviolet image, the magnificent M81 spiral galaxy is shown at the center.
NASA's Galaxy Evolution Explorer is celebrates its fourth year in space with some of M81's 'hottest' stars. In this ultraviolet image, the magnificent M81 spiral galaxy is shown at the center.

Galaxy Mission Completes Four Star-Studded Years in Space

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