Last Updated：2025/11/28
Sentence
公転に200年以上かかる彗星が再び検出され、天文学者たちを驚かせた。
Quizzes for review
The non-periodic comet surprised astronomers when it was detected again after more than two centuries.
See correct answer
The non-periodic comet surprised astronomers when it was detected again after more than two centuries.
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Related words
non-periodic
Adjective
not-comparable
Japanese Meaning
（天文学）軌道を一周するのに200年以上かかる天体、特に彗星に対して用いられる。
English - English
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