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Astronomical Unit   /ˌæstrənˈɑmɪkəl jˈunət/   Listen
Astronomical Unit

noun
1.
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).  Synonym: AU.






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Words linked to "Astronomical Unit" :   au, astronomy unit



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