8/31/09

The Fate of Our Galaxy During Collision

Will neighboring Galaxies one day tear apart the disk of the Milky Way? Researchers used new computer simulations that shows these collisions will “puff up” a galactic disk, particularly around the edges, and produce structures called stellar rings. Interestingly, all galaxies are embedded within massive and extended halos of dark matter, and the intersections of most large galaxies lie at the intersections of dark matter.
Reference: Science Daily

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