English
Noun
en-noun|sg=parallax second
- A unit of length used to measure the distances of star|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 � 10<sup>16</sup> meters 3.2616 light-years.
Translations
German: Parallaxensekunde f
Category:Astronomy
ru:parallax second
zh:parallax second
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