The NSF NOIRLab-operated Gemini North telescope captured stunning imagery of galaxies UGC 12914 and UGC 12915, aka 'Taffy ...
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A collision may have flipped the Milky Way

The Milky Way may have changed its orientation after a head-on collision with a dwarf galaxy about 10 billion years ago.
Most galaxy collisions do not cause galaxies to stop making new stars. A galaxy’s central black hole and its slow, long-term ...