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Mystery #3Tier 2-3space / orbits

Why isn't there an eclipse every month?

The Moon orbits the Earth every month, passing between us and the Sun each time. So you'd think we'd get a solar eclipse every single month, but we don't; they're rare. What stops it happening every time?

A partial solar eclipse: the Sun reduced to a bright crescent as the Moon covers part of it, the two not quite in a straight line.
Photo: Mutante · CC BY-SA 4.0 · via Wikimedia Commons

Your guess

What's your hunch about why we don't get an eclipse every month when the Moon comes round?

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