| A | B |
|---|
| solar system | made up of the sun and everything that surrounds it |
| revolution | when an object travels around another object in its orbit |
| rotation | when an object spins around on its axis |
| 29 1/2 days | How many days does it take the moon the make one revolution around the earth? |
| solar ecplise | when the moon passes between the earth and the sun |
| lunar eclipse | when the moon enters the earth's shadow |
| Halley's Comet | Circles the earth once every 76 years |
| 24 hours | amount of time is takes for the earth to complete one rotation |
| 365 1/4 | amount of days it takes to complete one revolution around the sun |
| asteroid belt | made up of asteroids, lies between Mars and Jupiter |
| moon | natural satellite of the earth |
| meteorite | a solid. rocklike object that floats in space |
| comet | large chunk of ice, frozen gases and dust that travel around the sun |
| 1-3 times | amount of times per year that a lunar eclipse occurs |
| full moon | 5th phase - when the whole moon is visible |
| new moon | 1st phase when you can not see the moon |
| corona | atmosphere surrounding the sun |
| asteroid | smal rocky body that orbits the sun |
| Ceres | largest known asteroid |
| satellite | any body in space that revolves around another body |
