Messier 4, A Globular Cluster, Is Visible In Scorpius
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Messier 4, A Globular Cluster, Is Visible In Scorpius

Also known as the 'Cat's Eye Cluster,' M4 is one of the closest globular clusters to Earth, located about 7,200 light-years away. It contains hundreds of thousands of stars, including the first observed pulsar in a globular cluster, making it a fascinating object for astronomers.

Source

https://www.nasa.gov/feature/goddard/2017/messier-4-the-cat-s-eye-cluster/

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Published
March 29, 2026
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