Latest News About Stars and Galaxies

Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.
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See Moon and Mars Shine Together Tonight: Where to Look
Sky Map for Sept. 29, 2014
September 29th, 2014
After sunset this evening, look 15 degrees up from the southwest horizon. There you’ll see a crescent moon, 30 percent illuminated. Hovering almost directly below it will be Mars, which looks like a moderately bright yellow-orange star.
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Stunning Galaxy Looks Deceptively Young in Hubble Telescope Views (Photo, Video)
Galaxy DDO 68
September 25th, 2014
A stunning new photo snapped by NASA's Hubble Space Telescope shines a light on a mysterious galaxy that may be considerably older than it looks.
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20-Year-Old Supernova Mystery Finally Solved
Supernova 1993J
September 24th, 2014
Researchers using data gathered by NASA's Hubble Space Telescope have determined that the supernova SN 1993J — which was first observed in 1993, as its name suggests — occurred because one star nabbed hydrogen from another.
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This Huge Alien Planet Is Making Its Host Star Age Prematurely
Artist's concept depicting the giant alien planet WASP-18b and its star, which are about 330 light-years away.
September 29th, 2014
The close-orbiting alien planet, known as WASP-18b, is apparently disrupting the magnetic field of its host star so much that the object is behaving like a much older star, researchers said.
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Cosmic Lens Reveals Galaxy Crash Like Never Before (Images, Video)
Galaxy H-ATLAS
September 19th, 2014
The Chile-based Atacama Large Millimeter/submillimeter Array (ALMA) and other telescopes employed a sort of cosmic magnifying glass to look at details of a galaxy called H1429-0028, revealing that the object is actually two merging galaxies.
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'Sparky' Discovery Reveals How Early Universe Built Galaxies
Sparky Galaxy by Hubble
September 19th, 2014
The galaxy lies 11 billion light-years from Earth, so viewing it gives astronomers a glimpse into processes that occurred less than 3 billion years after the Big Bang that created the universe.
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