peoplepill id: kiyotsugu-hirayama
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Intro
Japanese astronomer
Places
was
Work field
Gender
Male
Place of birth
Sendai
Star sign
LibraAge
68 years
The details (from wikipedia)
Biography
Kiyotsugu Hirayama (平山 清次, Hirayama Kiyotsugu, October 13, 1874 – April 8, 1943) was a Japanese astronomer, best known for his discovery that many asteroid orbits were more similar to one another than chance would allow, leading to the concept of asteroid families, now called "Hirayama families" in his honour.
The crater Hirayama on the Moon is jointly named after him and Shin Hirayama. The asteroid 1999 Hirayama is named in his honour.
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Kiyotsugu Hirayama