Monday, May 28, 2012

APOD 4.2



Shown in this image is the Messier Object known as M53. Found in the constellation Coma Berinices, M53 is a globular cluster, and is visible simply with a pair of binoculars. Arranged as a sort of halo around the center f our galaxy, there are roughly 250 such globular clusters; until recently it was hypothesized that all of them were formed at or around the same time, but new discoveries about blue stars are casting this hypothesis into doubt.

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