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| Question | Answer |
|---|---|
| milky way galaxy | is the in whih we live. it a spiral shaped galaxy that contains about 200 billion stars including our sun. |
| asteroid | is a large rock in outer space. |
| comet | a small frozen mass of ice anorditing d dust the sun |
| terrestrial | relating to land |
| orbit | to trvel in a curved path around the sun or a planet |
| rotation | one comple turn on an axis |
| satellite | a moon that orbits a planet |
| sun | a star around which eath and other planets revolve .it produces heat ligh and energy |
| gas giant | any of the second four planet from the sun which are made of gas. |
| gravity | the fore that pull objects toward each other |
| star | an object in spce that produces it own heat and lght |
| galaxy | a group of millions of stars |