Which of these statements is a correct description of the Moon's orbit?
A) The Moon is gradually spiraling away from Earth.
B) The Moon's distance from Earth increases and decreases cyclically once every 26,000 years.
C) The Moon is gradually spiraling toward Earth.
D) The Moon's distance from Earth remains constant from year to year, on average.

Question

Quizplus · Accepted Answer

The Moon is gradually spiraling away from Earth at an average rate of about 3.8 centimeters per year, primarily due to tidal interactions between the Earth and the Moon.

Which of These Statements Is a Correct Description of the Moon's