Across
- 2. A type of star that has run out of fuel and collapsed in on itself
- 4. A small, icy object that orbits the sun and has a "tail" of gas and dust
- 6. The largest planet in our solar system
- 8. A massive explosion that occurs when a star runs out of fuel
- 9. known for its rings
- 10. The name of our galaxy
- 13. The study of space and the universe
- 14. The point in a planet's orbit where it is closest to the sun
Down
- 1. The third planet from the sun
- 3. The first man to walk on the moon
- 5. The closest planet to the sun
- 7. The force that keeps planets in orbit around the sun
- 11. A small, rocky object that orbits the sun
- 12. The brightest object in the night sky
- 13. The spacecraft that carried humans to the moon