GK
SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is an astronomical unit (A.U.)?
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the time it takes light to travel one year
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the distance between the Earth and the Moon
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the distance between the Earth and the Sun
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the distance between the Earth and the Neptune
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Explanation:
Detailed explanation-1: -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).
Detailed explanation-2: -Astronomical Unit is the mean distance of the centre of the Sun from the centre of the Earth. 1 Astronomical Unit (AU) = 1.496 × 1011 m.
Detailed explanation-3: -The astronomical unit (AU) is the average distance from the Earth to the Sun, measured to be about 1.5 x 108 km (150, 000, 000 km) or 93, 000, 000 miles. It is a convenient unit to use when discussing distances within our solar system. Saturn has an average distance of 9.5 AU’s from the sun.
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