How many astronomical unit in 1 gigaparsec?
The answer is 2.0626483423508E+14.
We assume you are converting between astronomical unit and gigaparsec.
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astronomical unit or gigaparsec
The SI base unit for length is the metre.
1 metre is equal to 6.6845871226706E-12 astronomical unit, or 3.2407788498994E-26 gigaparsec.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between astronomical units and gigaparsecs.
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The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length. It is approximately equal to the mean distance between the Earth and Sun. The currently accepted value of the AU is 149 597 870 691 ± 30 metres (about 150 million kilometres or 93 million miles).
The symbol "ua" is recommended by the Bureau International des Poids et Mesures, but in the United States and other anglophone countries the reverse usage is more common. The International Astronomical Union recommends "au" and international standard ISO 31-1 uses "AU".
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigaparsec = 109 parsecs.
The definition of a parsec is as follows:
The parsec (symbol pc) is a unit of length used in astronomy. It stands for "parallax of one arc second", and is approximately 19,131,554,073,600 (19 trillion) miles.
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