In the picture "Atoms for Peace Galaxy Collision", two galaxies are being observed smashing into each other, a multi-million year process being observed now by researchers at NASA. Labeled NGC 7252, these two galaxies are located about 220 million light years away, and give an interesting view of what would occur if our galaxy was to collide into a nearby one, the closest being Andromeda. The sheer magnitude of this collision is not easily represented in this picture. These two galaxies reach a total of 600,000 light years long, showing off how enormous a galactic collision is.
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