Urdu Meanings, Pronounciation and Synonyms:
Astronomical Unit
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: Astronomical Unit
| 1. Astronomical Unit [ Synonyms: au] | |
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A unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers)
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