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Stack #4536615
| Question | Answer |
|---|---|
| Solar system | the system consisting of the sun and the planets and other objects that revolve around it |
| astronomical unit | a unit of distance equal to the average distance between earth and the sun about 150 million kilometers |
| sun | a large gaseous body at center of the solar system |
| planet | an object that orbits a star is large enough to have become rounded by its own gravity and has cleared the area of its orbit |
| moon | a natural satellite that orbits a planet |
| astroid | one of the rocky objects revolving around the sun that is too small and numerous to be considered a planet |
| meteoroids | A chunk of rock or dust in space generally smaller than an asteroid |
| comets | a loose collection of ice and dust that orbits the sun typically in long narrow orbit |