Meaning Of The Word Astronomical unit

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What's the definition of Astronomical unit? Find Astronomical unit meanings, definitions and more at the Real Dictionary online.

Astronomical unit Meaning

Astronomical unit Definition
Astronomical unit Definition

What's The Definition Of Astronomical unit?

astronomical unit in American English
a unit of length based on the mean distance of the earth from the sun, c. 149.6 million km (c. 93 million mi): light travels this distance in c. 8.3 minutes: abbrev. AU
noun: a unit of length, equal to the mean distance of the earth from the sun: approximately 93 million miles (150 million km)

astronomical unit in British English
noun: a unit of distance used in astronomy equal to the mean distance between the earth and the sun. 1 astronomical unit is equivalent to 1.495 × 1011 metres or about 9.3 × 107 miles

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