Thursday, November 25, 2010

Andromeda 'born in a collision'

The nearest spiral galaxy to the Milky Way - Andromeda - was born when two smaller galaxies collided, say astronomers.

An international team conducted a computer simulation of how Andromeda evolved over time.

The results suggest that two galaxies collided some nine billion years ago and permanently fused about 5.5 billion years ago.

Read more here.

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