About this image
M5, or NGC5904, a globular cluster in the constellation Serpens, as seen by the KPNO 4-m telescope in 1975. This large cluster is amongst the most massive in orbit around our Galaxy, at about two million times the mass of the Sun. At a distance of about 26000 light-years, M5 is about 13 billion years old.
Minimum credit line: NOAO/AURA/NSF
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