May 24, 2010
The earliest effect of the collision between the Milky Way and the Andromeda galaxies would be a change in the night sky. Compared with today's view, where the Milky Way disk appears as a strip of stars stretching across the night sky, Milkomeda's stars will be scattered all over the sky. The chance that a star would pass sufficiently close to disturb planetary orbits is extremely small.
Also known as M31, the Andromeda Galaxy can be viewed with the naked eye.
Photo by John Gleason
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