Some Massive Galaxies May Be Relatively New: Discovery Challenges Galaxy Formation Theories
Friday, April 10, 2009 - 23:07
in Astronomy & Space
Astronomer have found a sample of massive galaxies with properties that suggest that they may have formed relatively recently. This would run counter to the widely-held belief that massive, luminous galaxies (like our own Milky Way Galaxy) began their formation and evolution shortly after the Big Bang, some 13 billion years ago.