Japanese

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Kanji in this term
わく
Grade: S
せい
Grade: 2

Grade: 2
がく
Grade: 1
on'yomi
Alternative spelling
惑星科學 (kyūjitai)
 惑星科学 on Japanese Wikipedia

Etymology

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惑星 (wakusei, planet) +‎ 科学 (kagaku, science)

Noun

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(わく)(せい)()(がく) (wakusei kagaku

  1. planetary science