Across
- 1. a station floating through space that people can live on
- 3. a mass of rock or gas
- 5. a moon of mars
- 7. a star imploding
- 10. where we live
- 11. a doomed moon of mars
- 12. the largest planet in the solar system
- 13. the largest mountain in the solar system
- 15. the red planet
- 16. a ball of ice that is flying through space
- 17. our star
- 19. the first planet in our solar system
- 20. a reclassified dwarf planet
- 21. the hottest planet in the solar system
- 23. The Milky Way
Down
- 1. a star exploding
- 2. a meteor that has landed
- 4. a chunk of rock and metal flying through space
- 6. a collection of planets and a star
- 8. a way for scientists to get information on a planet
- 9. a chunk of rock and metal caught in a gravitational field of a planet
- 14. a funny named gas giant
- 17. A Day on Mars
- 18. something Isaac newton found
- 19. something that circles a planet
- 22. an enormous ball of gas and energy that is the center of a solar system