The spiral galaxy of Andromeda over a period of about three billion years as the dwarf galaxy Triangulum move away from it, then back towards it, where Triangulum will be ultimately devoured by AndromedaThursday, 3 September 2009
Gulp!
The spiral galaxy of Andromeda over a period of about three billion years as the dwarf galaxy Triangulum move away from it, then back towards it, where Triangulum will be ultimately devoured by Andromeda
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