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Topics / Geography

Physical Geography Astronomy

Asked 2 times in UPSC Prelims · first asked 1998 · last asked 2007

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What is the average distance (approximate) between the sun and the earth?

2007Geography
A70 × 10^5 km
B100 × 10^5 km
C110 × 10^6 km
D150 × 10^6 km

Explanation

In reality, the average distance between the sun and the earth is approximately 152 × 10^6 km, which is closest to 150 × 10^6 km.

One astronomical unit is the average distance between:

1998Geography
AEarth and the Sun
BEarth and the Moon
CJupiter and the Sun
DPluto and the Sun

Explanation

In the field of physics, an astronomical unit (AU) is the average distance between the Earth and the Sun, which is approximately 149,597,870.7 kilometers.