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  1. One astronomical unit is the average distance between which of the following?

  2. A.

     Earth and Sun

    B.

     Earth and Moon

    C.

     Jupiter and Sun

    D.

     Pluto and Sun

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    Answer : Option A

    Explanation :

    We can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It's approximately 8 light-minutes. More exactly, one astronomical unit (AU) = 92,955,807 miles (149,597,871 km).


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