Messier 5

Messier 5 (aka M5) is a globular star cluster of over 100,000 stars bound by gravity and packed into a region about 165 light-years across. It’s about 25,000 light-years away. Globular star clusters are ancient members of the Milky Way, and M5 is one of the oldest. Its stars are nearly 13 billion years old.

Image Credit: NASA / ESA

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