Parallax second
From Fresh Dictionary
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English
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Noun
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Plural |
- A unit of length used to measure the distances of stars from the Earth, defined as the distance from the Earth of a star that has a parallax of 1 arcsecond. 1 Parsec = 3.08568025 Ã 1016 meters = 3.2616 light-years.
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Translations
- German: Parallaxensekunde f.zh:parallax second