Across
- 1. the hottest planet
- 4. the third planet from the Sun
- 6. the red planet
- 10. bounces
- 12. the largest planet
- 14. the path Earth takes around the Sun
- 17. a system made up of a star and the objects that move around it
- 19. to spin
- 21. gas planet with 165 year orbit
- 24. a group of stars that seem to form a picture
- 27. each shape of the Moon we see
- 28. the "sideways planet"
Down
- 2. another word for ball; a three dimensional circle
- 3. hollow area, or pit, in the ground
- 5. the coolest stars
- 7. anything that revolves around another larger object in space
- 8. a machine that leaves Earth and travels through space
- 9. to move around another object
- 11. phase immediately after a new moon
- 13. phase immediately after a full moon
- 15. the hottest stars
- 16. a large body of rock or gas with a nearly round shape that revolves around a star
- 18. the planet with large rings
- 20. a tool used to make objects appear larger and closer
- 22. the Sun has violent, fiery explosions that fly off into space called ______
- 23. inner planet with 88 day orbit
- 25. a constellation that can be seen in winter but not summer
- 26. a line through the center of a spinning object
