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chapter 6 lesson 1
Term | Definition |
---|---|
satellite | a body that orbits a planet |
planet | an object that orbits the sun, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit |
meteors | sudden bright streaks of light |
comet | a cold mixture of dust and ice that gives up a long trail of light as it approaches the sun |
star | a giant ball of hot gas, mainly composed of hydrogen and helium |
constellation | a pattern or group of stars that people imagined to represent a figure, animal, or object |