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A packed, roughly spherical cluster of red, white and blue stars shines against the black background of space. The stars are clustered most densely toward the center of the cluster.

Hubble Spots a Star-Spangled Scene

Messier 3 is a densely packed cluster of stars whose origins may be the result of a merger between globular clusters in the early universe.

Image Credit: NASA, ESA, and A. Sarajedini (Florida Atlantic University); Processing: Gladys Kober (NASA/Catholic University of America)
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