Last Updated
：2025/11/27
SEP
Noun
abbreviation
alt-of
initialism
plural
plural-only
Japanese Meaning
（天文学）太陽エネルギー粒子
Sense（1）
Quizzes for review
(astronomy) Initialism of solar energetic particles.
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SEP
Mission control warned about elevated SEP after the solar flare, so operators put the satellite into safe mode.
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Mission control warned about elevated SEP after the solar flare, so operators put the satellite into safe mode.
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English - English
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