Mystery Of Missing Hydrogen: Apparent Absence From Distant Galaxies Puzzles Astronomers

ScienceDaily (2008-11-24) -- Something vital is missing in the far distant reaches of the universe: hydrogen -- the raw material for stars, planets and possible life. The discovery of its apparent absence from distant galaxies by a team of Australian astronomers is puzzling because hydrogen gas is the most common constituent of normal matter in the universe.[....]