A 'wimpy' dwarf fossil galaxy reveals new facts about early universe
Thursday, May 1, 2014 - 08:31
in Astronomy & Space
Out on the edge of the universe, 75,000 light years from us, a galaxy known as Segue 1 has some unusual properties: It is the faintest galaxy ever detected. It is very small, containing only about 1,000 stars. And it has a rare chemical composition, with vanishingly small amounts of metallic elements present.