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Noun Named Entity
Categories: 20th-century Japanese astronomers, 1997 deaths, 20th-century Japanese women scientists, 1916 births
EN
Hisako Koyama
EN
Hisako Koyama was a Japanese solar observer, whose multidecade collection of detailed sunspot sketches played role in reconstructing a continuous sunspot record dating back to 1610. Wikipedia
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EN
Hisako Koyama was a Japanese solar observer, whose multidecade collection of detailed sunspot sketches played role in reconstructing a continuous sunspot record dating back to 1610. Wikipedia
A Japanese Astronomer Wikipedia Disambiguation
Japanese solar observer Wikidata
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