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The nine planets
| Question | Answer |
|---|---|
| the average distance between the earth and the sun approximately 150 million kilometers | astronomical unit |
| one of the highly dense planets nearest to the sun mercury venus mars and earth | terrestrial planet |
| the counterclockwise spin of a planet or moon as seen from above the planets north pole rotation is in the same direction as in the suns rotation | prograde rotation |
| the clockwise spin of a planet or moon as seen from above the planets north pole | retrograde rotation |
| a planet that has a deep massive atmosphere such as jupiter saturn uranus or neptune | gas giant |
| a natural or artificial body that revolves around a planet | satellite |
| the change in sunlit area of one celestial body as seen from another celestial body | phase |
| an event in which the shadow of one celestial body falls in another | eclipse |
| a small body of ice rock and cosmic dust that follows an elliptical orbit around the sun and that gives off gas and dust in the form of a tail as it passes close to the sun | comet |
| a small rocky object that orbits the sun usually in a band betweent he orbits of mars and jupiter | asteroid |
| the region of the solar system that is between the orbits of mars and jupiter and in which most asteroids orbit | asteroid belt |
| a relatively small rocky body that travels through space | meteoroid |
| a meteoroid that reaches the earths surface without burning up completely | meteorite |
| a bright streak of light that results when a meteoroid burns up in the earths atmosphere | meteor |
Created by:
mediroskaylie
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