parsec Comparison Table

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parsec comparison table

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length unit unit

parsec 2.062648 × 10⁵ astronomical units 1840 The distance at which one astronomical unit subtends an angle of 1 second of arc. 1 pc = 206,265 AU = 3.086 × 10¹³ km = 3.26 light-years. parallax second pc International Astronomical Union Bessel and Meadows 1922 length unit

Subject	has equivalent	has proposal date	has definition	has name origin	has symbol	has approval agency	is a kind of	has proposer	has approval date	is an instance of
length unit							unit
parsec	2.062648 × 10⁵ astronomical units	1840	The distance at which one astronomical unit subtends an angle of 1 second of arc. 1 pc = 206,265 AU = 3.086 × 10¹³ km = 3.26 light-years.	parallax second	pc	International Astronomical Union		Bessel and Meadows	1922	length unit

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