View Full Version : Ancient Galaxies Fed On Gas, Not Collisions

2011-Jul-01, 12:40 PM
The traditional picture of galaxy growth is not pretty. In fact, it’s a kind of cosmic cannibalism: two galaxies are caught in ominous tango, eventually melding together in a fiery collision, thus spurring on an intense but short-lived bout of star formation. Now, new research suggests that most galaxies in the early Universe increased their [...]

More... (http://www.universetoday.com/87177/ancient-galaxies-fed-on-gas-not-collisions/)

2011-Jul-01, 03:08 PM
So another "difficult" observation for the L-CDM hypothesis to rationalise? According to this theory, galaxies were meant to form by mergers.