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Definition
| any of the nine primary bodies that orbit the sun |
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| the portion of the Earth that is water |
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Definition
| an event in which the shadow of one celestial body falls on another |
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Definition
| the sun and all the planets other bodies that travel around it |
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Definition
| the accumulation of matter |
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Definition
| a natural or artificial body that revolves around a planet |
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Definition
| a large cloud of dust and gas in interstellar space |
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Definition
| a small body of ice, rock, and cosmic dust loosely packed together that follows an elliptical orbit and that gives off gas and dust in the form of a tail as it passes close to the sun |
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Definition
| the change in the illuminated area of one celestial body as seen from another celestial body |
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Definition
| a small, rocky object that orbits the sun |
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Definition
| a planet that has a deep, massive atmosphere |
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Definition
| one of the highly dense planets nearest the sun |
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