Astrophysical Journal

WISE colors in unknowns on Jupiter asteroids

(Phys.org)—Scientists using data from NASA's Wide-field Infrared Survey Explorer, or WISE, have uncovered new clues in the ongoing mystery of the Jovian Trojans—asteroids that orbit the sun on the same path as Jupiter. ...

dateOct 15, 2012 in Space Exploration
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Was Kepler's supernova unusually powerful?

(Phys.org)—In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes Kepler. Centuries ...

dateSep 11, 2012 in Astronomy
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X-rays discovered from young supernova remnant

(Phys.org) -- Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. Astronomers have used NASA's Chandra X-ray Observatory to make the first detection of X-rays ...

dateJul 31, 2012 in Astronomy
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Rare case of gravitational lensing reported (Update)

(Phys.org) -- Seeing is believing, except when you don't believe what you see. Astronomers using NASA's Hubble Space Telescope have found a puzzling arc of light behind an extremely massive cluster of galaxies residing 10 ...

dateJun 26, 2012 in Astronomy
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WISE finds few brown dwarfs close to home

(Phys.org) -- Astronomers are getting to know the neighbors better. Our sun resides within a spiral arm of our Milky Way galaxy about two-thirds of the way out from the center. It lives in a fairly calm, suburb-like area ...

dateJun 08, 2012 in Astronomy
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