Meaning Of The Word Astronomical unit
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 |
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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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