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The astronomical unit (AU) is the mean [[Sun]]-[[Earth]] distance, a unit of distance widely used in expressing distances in the solar system. 1 AU = 93 million miles = 150 million kilometers (approximate figures).
The astronomical unit ([[AU]]) is the mean [[Sun]]-[[Earth]] distance, a unit of distance widely used in expressing distances in the solar system. 1 AU = 93 million miles = 150 million kilometers (approximate figures).
[[Category:Physics]]
[[Category:Physics]]