About this image
M67 is an open star cluster in the constellation Cancer. One of the oldest known such clusters, M67 is believed to be 10 billion years old. It contains approximately 500 stars within its 12 light-year diameter and is located some 2500 light-years away. KPNO 4-meter Mayall telescope, 1975.
Minimum credit line: NOAO/AURA/NSF
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