Question

5. What do you mean by an 'astronomical unit? Give its
value in metres.​

Answer 1

Answer:

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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Answer 2

Answer:

Astronomical unit is the average distance between the earth and the sun. It's value is 150 billion metres