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Hubble Sees 'Ghost Light' From Dead Galaxies

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The universe is an infinite sea of galaxies, which are majestic star-cities. When galaxies group together in massive clusters, some of them can be ripped apart by the gravitational tug of other galaxies. Astronomers using the Hubble Space Telescope to probe the massive galaxy cluster Abell 2744 — nicknamed Pandora's Cluster — have found forensic evidence of galaxies torn apart long ago. It's in the form of a phantom-like faint glow filling the space between the galaxies. This glow comes from stars scattered into intergalactic space as a result of a galaxy's disintegration.

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New Camera By Texas A&M Student Could Unlock Secrets of Space

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Planet-Forming Lifeline Discovered in a Binary Star System

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Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected a streamer of dust and gas flowing from a massive outer disk toward the inner reaches of a binary star system. This never-before-seen feature may be responsible for sustaining a second, smaller disk of planet-forming material that otherwise would have disappeared long ago.

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Here's Looking At You: Spooky Shadow Play Gives Jupiter a Giant Eye

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On April 21, 2014, the Hubble Space Telescope captured an image of what appears to be Jupiter "looking back at Earth," as the shadow of the Jovian moon Ganymede passed over Jupiter's Great Red Spot.

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Image From Mars-Orbiting Spectrometer Shows Comet’s Coma

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Infrared images of C/2013 (Comet Siding Spring) were taken by the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) aboard NASA's Mars Reconnaissance Orbiter (MRO) on Oct. 19, 2014.

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Georgia State Astronomers Image the Exploding Fireball Stage of a Nova

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Astronomers at Georgia State University’s Center for High Angular Resolution Astronomy (CHARA) have observed the expanding thermonuclear fireball from a nova that erupted last year in the constellation Delphinus with unprecedented clarity.

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Close Encounters: Comet Siding Spring Seen Next to Mars

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A composite Hubble Space Telescope image provides the position of comet Siding Spring during the comet's closest approach to Mars on October 19, 2014. Join Hubble astronomers for a live discussion at 3pm today during the Comet Siding Spring/Mars Hubble Hangout at https://plus.google.com/u/0/events/cq3l54o0if0solg51h5tocbf508.

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Lucky Star Escapes Black Hole With Minor Damage

Astronomers have gotten the closest look yet at what happens when a black hole takes a bite out of a star—and the star lives to tell the tale.

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Organic Molecules in Titan's Atmosphere Are Intriguingly Skewed

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While studying the atmosphere on Saturn’s moon Titan, scientists discovered intriguing zones of organic molecules unexpectedly shifted away from its north and south poles. These misaligned features seem to defy conventional thinking about Titan’s windy atmosphere, which should quickly smear out such off-axis concentrations.

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From Sub-Neptunes to Super-Earths: The Search for Habitable Worlds

During a live Google Hangout, three astrophysicists – Zachory Berta-Thompson, Bruce Macintosh and Marie-Eve Naud – discussed the huge variety of planets discovered so far, how close we are to being able to see other Earth-like planets, and all that remains unknown.

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