Sun/Moon/Stars
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Created by:
MrsMorrison on January 11, 2011
Subjects:
Description:
chapter 3 test
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20 terms
Terms | Definitions |
|---|---|
 comet | a large ball of ice and dust that orbits the sun |
| phases | different shapes the moon seems to have |
| solar system | the sun and the objects that orbit around it |
| constellation | a group of stars that form a pattern |
| asteroid | a chunk of rock or metal that orbits the sun |
| axis | an imaginary line that goes through the North Pole and the South Pole |
| telescope | an instrument that makes things that are far away look clearer and bigger |
| lunar eclipse | the effect of the Earth's shadow falling on the moon. You can not see the moon. |
| rotation | the spinning of an object on its axis |
| orbit | the path an object takes around another object |
| planet | a large body of rock or gas that orbits the sun |
| solar eclipse | the result of the moon's shadow falling on Earth |
| star | a hot ball of glowing gases |
| revolution | the movement of one object around another |
| inner planets | are rocky, closer to the sun, warmer, and smaller than the outer planets |
| outer planets | are farther from the sun, made mostly of frozen gas, and are colder than the inner planets. Most have no moons. |
| sun's gravity | causes the objects in the solar system to stay in orbit |
| Earth | takes one day to rotate |
| tilting of the Earth's axis | causes seasons |
| new moon | happens when the lighted half faces away from the Earth. You can not see the moon. |
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