Astrophysical Journal

Half of all exoplanet host stars are binaries

( —Imagine living on an exoplanet with two suns. One, you orbit and the other is a very bright, nearby neighbor looming large in your sky. With this "second sun" in the sky, nightfall might be a rare event, perhaps ...

dateSep 04, 2014 in Astronomy
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Mysterious X-ray signal intrigues astronomers

( —A mysterious X-ray signal has been found in a detailed study of galaxy clusters using NASA's Chandra X-ray Observatory and ESA's XMM-Newton. One intriguing possibility is that the X-rays are produced by the ...

dateJun 24, 2014 in Astronomy
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When a bright light fades

Astronomer Charles Telesco is primarily interested in the creation of planets and stars. So, when the University of Florida's giant telescope was pointed at a star undergoing a magnificent and explosive death, Telesco, a ...

dateDec 22, 2014 in Astronomy
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Kepler proves it can still find planets

To paraphrase Mark Twain, the report of the Kepler spacecraft's death was greatly exaggerated. Despite a malfunction that ended its primary mission in May 2013, Kepler is still alive and working. The evidence comes from the ...

dateDec 18, 2014 in Astronomy
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