rnlunatic
Kiyotsugu Hirayama discovered that asteroids clumped together in groups in 1918.
Asteroid belt
Asteroid families
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Kiyotsugu Hirayama discovered that asteroids clumped together in groups in 1918.
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gwynraven
Replied to: Kiyotsugu Hirayama discovered that asteroids clumped together in groups in...
About one third of the asteroids in the main belt are members of a family. Some main families include Flora, Eunoma, and Koronis.