News tagged with hydrogen atoms

Writing the history of the 'Cosmic Dark Ages'

For millions of years after the Big Bang, there were no stars, or even galaxies to contain stars. During these "Cosmic Dark Ages," neutral hydrogen gas dominated the universe. When clouds of primordial hydrogen gas started ...

dateSep 02, 2013 in Astronomy
shares0 comments 23

Under leaden skies: Where heavy metal clouds the stars

(Phys.org) —In a paper shortly to be published in the Oxford University Press journal Monthly Notices of the Royal Astronomical Society, a team of astronomers from the Armagh Observatory in Northern Ireland report the discovery ...

dateAug 01, 2013 in Astronomy
shares0 comments 5