Across
- 3. telescope used to see the planets
- 4. a group of stars forming a recognizable pattern
- 7. the planet closet to the sun
- 8. another name for "big dipper"
- 11. what the outer planets are made from
- 14. this constellation is located in the celestial equator
- 15. the study of the solar system
- 16. the planet we live on
Down
- 1. large round body that revolves around the sun
- 2. first to show that Earth was an object orbiting the Sun
- 5. Pluto is considered this kind of planet
- 6. furthest from the sun, glows blue because of methane
- 9. the sun is a _______
- 10. 5th planet and the biggest
- 12. also known as the "lesser bear"
- 13. milky way