Across
- 2. red planet next to the asteroid belt
- 4. Mostly full moon phase
- 7. the force that keeps us in orbit around our sun
- 8. blue star also loacted in the Ursa Major constellation
- 11. Tool we use to see stars
- 13. blue star located in the Ursa Major constellation
- 14. Earth's sister planet
- 15. provides Earth with energy and heat
- 18. closest planet to the sun
- 20. stretched, circular orbit
- 21. Earth's satellite
- 22. speed with direction
- 24. Mark watney grew them on Mars in The Martian
- 25. only planet in our solar system with a vertical ring
- 26. red supergiant that lies in the Scorpius constellation
- 28. Dwarf planet in the asteroid belt
- 29. farthest planet from the sun
Down
- 1. people that travel in space
- 3. largest planet in the solar system
- 5. blue star formerly named Naos
- 6. planet with visible rings
- 9. the color of the coldest star
- 10. the color of the hottest star
- 12. smallest visible Moon phase
- 16. Completely visible moon phase
- 17. dwarf planet that used to be a planet
- 19. smaller star
- 23. the planet we live on
- 27. an object that rotates around another mass