Multiple choice

What is the weight of the moon?

  1. 1/4 of the earth

  2. 1/5 of the earth

  3. 1/6 of the earth

  4. 1/8 of the earth

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Moon's mass is approximately 1/6th that of Earth, which is why astronauts weigh much less on the lunar surface. This ratio also explains why the Moon's gravity is about 16.6% of Earth's. The other fractions (1/4, 1/5, 1/8) are incorrect.

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