Two spiral galaxies undergo a protracted crash lasting two billion years, eventually merging into a single
elliptical galaxy. Credit: NCSA/NASA/B. Robertson (Caltech) and L. Hernquist (Harvard Univ.)
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Wednesday, September 17, 2014
Galaxy Collision (Video)
Two spiral galaxies undergo a protracted crash lasting two billion years, eventually merging into a single
elliptical galaxy. Credit: NCSA/NASA/B. Robertson (Caltech) and L. Hernquist (Harvard Univ.)
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