Across
- 3. I am the path of which planets and satellites follow
- 4. I am a chunk of ice the flies through the solar system
- 7. I am a large rock that flies through the solar system
- 9. I am the collection of planets that surround the sun
- 10. I am found in the middle of a planet
- 12. I am the power that holds planets from floating away into space
- 14. Astronauts use me to get into space.
- 15. I am a person who studies the stars
- 17. you can use me to see deep into space
Down
- 1. in my are billions of solar systems
- 2. we are large sources of heat at the center of a solar system
- 5. I am the Earth's only natural satellite
- 6. I am a collector of billions of solar systems
- 8. I am the building that holds telescopes
- 11. I am another word for looking in places never seen before
- 13. I am a space rock that has landed on earth
- 16. I am a hole that was made from a meteorite that hit land.