Across
- 4. This moon phase is when the moon is behind the Earth.
- 8. The theory that the universe began with an explosion
- 11. What are the two reasons for the seasons?
- 13. the largest planet in our solar system
- 14. believed in the geocentric theory, and people believed him for 1400 years
- 15. This man believed in the heliocentric theory first
- 18. if this was to suddenly leave, the Earth would get pulled into the sun
- 19. This eclipse happens during the new moon phase
- 21. The shadow in which their is a total solar eclipse
Down
- 1. It takes 28 days for the moon to ____ around the Earth
- 2. Which is the largest: universe, solar system, galaxy
- 3. Causes day and night
- 5. This moon phase is when the moon is between the Earth and Sun.
- 6. This eclipse is when the moon passes behind Earth and is in full moon phase
- 7. This is the idea that the sun is in the middle of our solar system
- 9. When the south pole is tilted toward the sun, it is ___ in the southern hemisphere
- 10. The name of our galaxy
- 12. This "space junk" is on Earth's surface and is made of rock and dust
- 16. This "space junk" is made of ice and dust and orbits the sun with a tail
- 17. the planets closer to the sun travel around it faster or slower
- 20. The moon's light comes from the ____