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stars and planet
vocablary
| Term | Definition |
|---|---|
| rotate | to spin around an axis |
| axis | an imaginary line that runs through the center of earth from the north pole to the south pole |
| revole | to travel in a closed path around the sun |
| orbit | an objects path in space around another object |
| moon | a small planet-like body that revolved around earth rather than the sun |
| phases | as the moon revolves around earth ,different amounts of its lit surface can be seen |
| solar systeme | is a groupe of objects in that orbit a star in the center, plus the star itself |
| planet | is a large object that revoves around a star in a clear orbit |
| dwaf planit | also revoles around a star but its path is not clear of other object |
| comet | a ball of rocks, ice and frozen gas |
| star | a huge ball of superheated gasses |
| sun | a star that is at the center of our solar system |
| constellation | a group of stars that form an imaginary picture in the sky |
| galaxy | a huge system of gases, dust and stars |
| universe | everything that exists in space |
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