Across
- 2. the center of the sun
- 5. the Earth has a ______ of 23.5 degrees
- 6. the movement of Earth around the Sun
- 8. the earth has a _____ and winter solstice
- 12. the moon blocks out all light completely
- 13. theory that explains how universe started as single point
- 14. sunlight that creates warm weather and summer
- 16. the tilt affects the earth by creating
- 18. the model that states that everything rotates around the sun
- 21. what is responsible for pulling particles into matter clumps
- 23. cloud of gas, ice, dust
Down
- 1. when a celestial body spins on center axis
- 3. an astronomer who believed in the geocentric model
- 4. is the shortest day of the year
- 7. the moon is growing in appearance
- 9. lunar eclipse affects how light shines on the
- 10. sunlight that creates cold weather and winter
- 11. the moon is shrinking in appearance
- 15. what occurs during the first day of autumn
- 17. means "spring"
- 18. it takes 24 _____ for one rotation of earth
- 19. a layer of the sun beneath the atmosphere
- 20. another name for revolution
- 22. how long does it take for the earth to orbit the sun