Category: Star Cluster
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M13
M13, the Great Globular Cluster in Hercules, is a densely packed ball of hundreds of thousands of stars roughly 22,000 light years away. It spans about 150 light years, and…

M13, the Great Globular Cluster in Hercules, is a densely packed ball of hundreds of thousands of stars roughly 22,000 light years away. It spans about 150 light years, and…