| 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. |
