Kiyotsugu Hirayama
✓ Source-basedstableJapanese astronomer (1874-1943)
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Kiyotsugu Hirayama 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.
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About this person
Country
JapanCategory
Scientists
Type
Scientist
Status
deceased
Dates
Lived 1874 to 1943 · aged 68
Wikipedia
20 languages
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