A rich galaxy cluster located about 320 million light-years away in the constellation Coma Berenices, containing over 1,000 galaxies. It played a crucial role in the discovery of dark matter by Fritz Zwicky in 1933.
Named after the constellation Coma Berenices (Berenice's Hair), where it appears in the sky. The constellation itself was named after Queen Berenice II of Egypt, who cut off her hair as an offering to the gods for her husband's safe return from war.
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