Last Updated
：2025/11/19
ma
Noun
abbreviation
alt-of
plural-normally
Japanese Meaning
天文学で使用される用語で、ミリ秒角（ミリアーク秒）の略語を示す。
Sense（1）
（ plural ）
Quizzes for review
(astronomy, usually in the plural) Abbreviation of milli-arcsecond.
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ma
The telescope detected a shift of 0.7 ma in the star's position, confirming the parallax.
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The telescope detected a shift of 0.7 ma in the star's position, confirming the parallax.
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English - English
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