Last Updated
：2025/11/20
NEC
Noun
abbreviation
alt-of
initialism
Japanese Meaning
近地球彗星（天文学において、地球付近を通過する彗星を示す頭字語）
Sense（1）
（ plural ）
Quizzes for review
(astronomy) Initialism of near-Earth comet.
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NEC
Astronomers tracked the newly discovered NEC as it approached Earth's orbit.
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Astronomers tracked the newly discovered NEC as it approached Earth's orbit.
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English - English
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