News tagged with primordial gas

Infant galaxies merging near 'cosmic dawn'

Astronomers using the combined power of the Atacama Large Millimeter/submillimeter Array (ALMA) telescope and NASA's Hubble Space Telescope have discovered a far-flung trio of primitive galaxies nestled inside an enormous ...

dateNov 21, 2013 in Astronomy
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Making the first stars

( —The first stars in the Universe are believed to have formed only a few hundred million years after the big bang, about 13.7 billion years ago. They heated and ionized the pristine intergalactic medium, and their ...

dateNov 18, 2013 in Astronomy
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A rare snapshot of a planetary construction site

( —Planets are formed in disks of gas and dust around nascent stars. Now, combined observations with the compound telescope ALMA and the Herschel Space Observatory have produced a rare view of a planetary construction ...

dateOct 24, 2013 in Astronomy
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New stars from old gas surprise astronomers

( -- Evidence of star birth within a cloud of primordial gas has given astronomers a glimpse of a previously unknown mode of galaxy formation. The cloud, known as the Leo Ring, appears to lack the dark matter ...

dateFeb 18, 2009 in Astronomy
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