| Flap 1 |
Flap 2 |
| axis | the imaginar line around which Earth spins as it rotates. |
| comet | A ball of rock, ice, and frozen gases in space. |
| constellation | A pattern of stars that form an imaginary picture or design in the sky. |
| galaxy | A huge system of many stars, gas, and dust. |
| moon | A natural body that revolves around a planet. |
| phases | The different shapes the Earth's moon seems to have. |
| orbit | The path of one objuect in space around another object. |
| planet | A large object that moves around a star. |
| solar system | A group of objects in space that revolve around a central star. |
| star | A huge ball of superheated gases. |
| sun | The star at the center of our solar system. |
| universe | everything that exists in space. |
