| A | B |
|---|
| The sun is a ___ | Star |
| The Earth revolves around the ___ | Sun |
| A large mass of hot, glowing gas ____ | Star |
| The path an object follows as it moves around another _____ | Orbit |
| An imaginary straight line through the center of the earth ____ | Axis |
| An instrument for making distant objects, like stars, appear closer _______ | Telescope |
| A person who travels space is called an ________ | Astronaut |
| The moon reflects _____ from the sun | Light |
| The sun, the planets, and their and other objects that move around the sun _____ _______ | Solar Systems |
| It takes 365 days to complete one _______ around the sun | Revolution |
| There are 9 _______ in our solar system | Planets |
| The different shapes of the moon are called _____ | Phases |
