Question

1. The moon and Mars have a similar composition. Why is the gravity on the surface of Mars greater than the gravity on the moon's surface?

A. Mars is a solid and the moon is not.
B. Mars has a greater mass than the moon.
C. Mars is farther away from the Earth than the moon.
D. Mars is farther away from the Sun than the moon.​

Answer 1

The weaker gravity on the moon is due to its' smaller mass.