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Moons of our Solar System
Moons of our Solar System

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2 Moons and planets

Learn about orbits and rotation of moons. Find out what sorts of bodies can have moons. Learn about the Moon’s phases, and apply what you have learned to a question about the crescent Moon seen from the Equator.

Can an orbiting object the size of a toaster qualify as a moon? How has the number of known moons in the Solar System changed in the past twenty years? Which planets have no moons? What is a ‘captured’ moon?

In this video Christine Shupla introduces some fundamental features of orbits of the Solar System and what it is about an object that qualifies it as a moon.

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