Dwarf Planets
Our Solar System has 8 planets. It also contains dwarf planets.
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Electric Orrery
An Orrery is a moving, mechanical model of the Solar System. It shows how all of the planets orbit around the Sun.
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by The Schools' Observatory
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Solar System Quiz
A solar system consists of a star and the objects that orbit it. A galaxy contains millions of stars and solar systems. But how much do you know about our own Solar System? Take our quiz to find out!