Question

which of these things is true about the moon?
a) the moon is always moving around earth in a nearly circular path.
b) the moon is always in the same position in earth’s sky.
c) the moon is always moving in many changing patterns around earth.
d) the moon is always moving back and forth across earth’s sky.

Explanation:

To determine the correct statement about the Moon, we analyze each option:

• Option a: The Moon orbits Earth in a nearly circular path (lunar orbit), which is a well - known astronomical fact.
• Option b: The Moon's position in Earth's sky changes due to its orbit and Earth's rotation, so it's not always in the same position.
• Option c: The Moon's orbital pattern around Earth is relatively stable (nearly circular orbit with some minor perturbations), not "many changing patterns".
• Option d: The Moon orbits Earth, not move back and forth across Earth's sky in that way; the apparent back - and - forth is due to Earth's rotation and the Moon's orbit, but the main motion is orbital around Earth.

Answer:

a. The Moon is always moving around Earth in a nearly circular path