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Harvard-Smithsonian Center for Astrophysics

New Insights on How Spiral Galaxies Get Their Arms

2 Apr 2013, 13:19 UTC
New Insights on How Spiral Galaxies Get Their Arms

April 02, 2013: Spiral galaxies are some of the most beautiful and photogenic residents of the universe. Our own Milky Way is a spiral. Our solar system and Earth reside somewhere near one of its filamentous arms.

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