Astrophysical Journal

Nitrogen may be a sign of habitability

We might commonly think of Earth as having an oxygen-dominated atmosphere, but in reality the molecule makes up only a fifth of our air. Most of what surrounds us is nitrogen, at 78 percent. Astrobiologists are beginning ...

dateJan 13, 2016 in Astronomy
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Most distant massive galaxy cluster identified

The early universe was a chaotic mess of gas and matter that only began to coalesce into distinct galaxies hundreds of millions of years after the Big Bang. It would take several billion more years for such galaxies to assemble ...

dateJan 07, 2016 in Astronomy
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Chandra finds supermassive black hole burping nearby

Evidence for powerful blasts produced by a giant black hole has been discovered using NASA's Chandra X-ray Observatory. This is one of the nearest supermassive black holes to Earth that is currently undergoing such violent ...

dateJan 05, 2016 in Astronomy
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Birth of high mass stars and the origin of life

Takeshi Sakai, Assistant Professor, Graduate School of Informatics and Engineering, discusses recent work. "I am using the Atacama Large Millimeter/Submillimeter Array (ALMA) facilities in Chile to study the formation of ...

dateDec 29, 2015 in Astronomy
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Monster planet is 'dancing with the stars'

A team made up almost entirely of current and former Carnegie scientists has discovered a highly unusual planetary system comprised of a Sun-like star, a dwarf star, and an enormous planet sandwiched in between.

dateDec 16, 2015 in Astronomy
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