Astronomers Analyze the Distribution of Globular Clusters

Astronomers from the Harvard-Smithsonian Center for Astrophysics have analyzed the distribution of over eighty thousand globular clusters to infer an active history of galaxy-galaxy interactions. Globular clusters are gravitationally bound, roughly spherical ensembles of stars. Some contain as many as a million stars, and their sizes are as small as only tens of light-years in […]
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