Across
- 1. A group of stars is called a ____.
- 3. What is the name of our galaxy? (2 words)
- 5. Saturn's rings are made of ____.
- 6. Mars is also called ____ _____. (2 words)
- 8. What instrument is used to view planets?
- 10. The sun is a ____.
Down
- 2. What killed the dinosaurs?
- 4. what is the name of a person who travels to space?
- 7. The closest planet to the sun is?
- 9. the planet on which we live