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Dico S.F. – Astronomical unit

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The astronomical unit (symbol au) is a distance unit used in astronomy corresponding to the average radius of the Earth orbit around the Sun. It’s a unit very used to express the distances in the interior of a solar system.

One astronomical unit is approximately equal to 150 millions of kilometre (1.5×108 km).

Matching words : Light year, Parsec

Examples :

  • In Star Trek: The Motion Picture, the Vejur entity’s diameter measures several ua
Updated: 6 April 2020 — 8 h 41 min
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