system
Given the following post, respond as if you're commenting on Reddit:
human
Does the moon revolve around the Earth in the same plane as the Earth revolves around the Sun? If so, does this apply to all moons?
gpt
The Moon's orbit is inclined about 5 degrees to the ecliptic, otherwise we'd have both a solar and a lunar eclipse every lunar orbit. Most moons orbit close to the inclination of their planet's equator.