Across
- 3. To travel around
- 4. The Earth is tilted toward the sun during the _______
- 6. This planet is sometimes called "the red planet"
- 8. This instrument breaks up incoming starlight into a spectrum of color
- 9. This word means moon
- 12. _______ fusion is the energy producing reaction that occurs in the sun creating the released heat and light
- 16. We live on this planet
- 17. This planet is pale blue and has high winds
- 19. The number of times light can go around the earth in one second
- 20. The study of outer space
- 23. This star is small, but dense
- 24. This planet could float if it was in water
- 25. All matter has this force
Down
- 1. This is the largest planet
- 2. To turn
- 5. This planet is the closest to the sun
- 7. You should NEVER look at this type of eclipse
- 10. This planet rotates sideways
- 11. A cluster of stars that make up a large group
- 13. These have a solid core surrounded by ice
- 14. This planet's day is longer than its year
- 15. _______'s law says that nearby galaxies are moving away from us slowly
- 18. A type of oval that is the shape of all planets's orbit
- 21. The _________ universe theory says that the universe will continue to expand forever
- 22. Reflected sunlight
