How-To Geek
Astronomical Unit
An astronomical unit, usually abbreviated as AU, au, or ua, is a unit of length equal to the distance between the earth and the sun–that’s 149,597,870,700 meters or 92,955,807.273 miles.
- By The Geek on 08/18/12
An astronomical unit, usually abbreviated as AU, au, or ua, is a unit of length equal to the distance between the earth and the sun–that’s 149,597,870,700 meters or 92,955,807.273 miles.