Last Updated：2025/11/20
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Astronomers often use the parallax second as a standard unit when comparing stellar distances.
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Astronomers often use the parallax second as a standard unit when comparing stellar distances.
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Related words
parallax second
Noun
Japanese Meaning
天文学で使用される長さの単位で、地球からの距離を、視差が1秒角となる天体の距離として定義されたもの。約3.08568025×10¹³キロメートル、または約3.2616光年に相当する。
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