Astrophysical Journal

Hubble breaks cosmic distance record

By pushing the NASA/ESA Hubble Space Telescope to its limits astronomers have shattered the cosmic distance record by measuring the distance to the most remote galaxy ever seen in the Universe. This galaxy existed just 400 ...

dateMar 03, 2016 in Astronomy
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Earth-like planets have Earth-like interiors

Every school kid learns the basic structure of the Earth: a thin outer crust, a thick mantle, and a Mars-sized core. But is this structure universal? Will rocky exoplanets orbiting other stars have the same three layers? ...

dateFeb 08, 2016 in Astronomy
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Giant gas cloud boomeranging back into Milky Way

Since astronomers discovered the Smith Cloud, a giant gas cloud plummeting toward the Milky Way, they have been unable to determine its composition, which would hold clues as to its origin. University of Notre Dame astrophysicist ...

dateJan 28, 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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