| __ | 1. | 1 AU | | A. | Collection of stars, gas, and dust |
| __ | 2. | Asteroid belt | | B. | Jupiter, Saturn, Uranus, Neptune |
| __ | 3. | Astronomical Tools | | C. | Sun and its 8 surrounding planets |
| __ | 4. | Galaxy | | D. | Telescopes, Satellites, and Space Probes |
| __ | 5. | Gas Giants | | E. | Telescope located above Earth's atmosphere |
| __ | 6. | Hubble | | F. | 150 million kilometers or distance between Earth and Sun |
| __ | 7. | Orbit | | G. | Radio Telescope program that researches life on other planet |
| __ | 8. | Rocky Planets | | H. | Curved path of objects in space |
| __ | 9. | SETI | | I. | Mercury, Venus, Earth, Venus |
| __ | 10. | Solar System | | J. | Collection of floating object between Mars and Jupiter |