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Collision with Andromeda

... Universe; in dense galactic groups, gravity prevents the recession of the galaxies and often leads to collisions. By the mid-20th century, it became clear that the high speed of the convergence of Andromeda with the Solar System is primarily due to the Solar System's orbital motion around the center of the Galaxy at a speed of about 225 km/s, which is directed approximately towards Andromeda. Thus, the resulting speed of the convergence of our Galaxy with Andromeda is “only” 110 km/s. This speed itself would not be fatal if, in addition to moving towards us, Andromeda also showed quick movement in the perpendicular direction,...

Modified: 18.01.2016
Galaxy , Andromeda , Milky Way , collision , Milkomeda , Local Group , Solar System
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