Published:
April 26, 2010
 One of the densest globular clusters in the Milky Way, M80 is located roughly 28,000 light-years from Earth and holds hundreds of thousands of stars.
Photo by AURA / STScI / NASA What keeps these clusters from collapsing is the angular momentum of the stars as they orbit the cluster's center of mass. It's the same physics that keeps the solar system from collapsing. |
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