Question

Compare the earth and the moon in terms of size and surface gravity.

Answer 1

The moon is 3,476 kilometers in diameter which is ¼ Earth's diameter . The moon's surface gravity is weak compared to Earth. It is so weak that gases escape into space.

Answer 2

Compared to the Earth, the Moon has ...

-- about 27% as much radius

-- about 7.4% as much surface area

-- about 2% as much volume

-- about 1.2% as much mass

-- about 16.5% as much surface gravity