Question

5. Define - Astronomical unit.​

Answer 1

Explanation:

a unit of measurement equal to 149.6 million kilometres, the mean distance from the centre of the earth to the centre of the sun.

Answer 2

Astronomical unit (AU, or au), a unit of length effectively equal to the average, or mean, distance between Earth and the Sun, defined as 149,597,870.7 km (92,955,807.3 miles).

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KUMARISHWETA