Astronomical unit
From Conservapedia
This is the current revision of Astronomical unit as edited by DavidB4-bot (Talk | contribs) at 02:08, July 13, 2016. This URL is a permanent link to this version of this page.
The astronomical unit is a unit of measurement equivalent to (AU) the mean distance between the Sun and Earth. The AU is used widely in expressing distances in the solar system. 1 AU = 149,597,870.691 km,[1] or approximately 93 million miles.
References
- ↑ The IAU and astronomical units - International Astronomical Union site