Across
- 3. The earth was fixed and the center of the universe
- 4. determines which compass direction it can be found in the sky.
- 7. inner planets
- 8. eclipse occurs when the earth passes between the sun and the moon
- 10. our solar system is called
- 13. represents the shortest and longest periods of daylight
- 14. is the time when daytime and nighttime are equal
- 16. large glowing ball of gas
- 19. are groups of stars we see as patterns in the night sky
Down
- 1. outermost part of the Sun's atmosphere
- 2. is the position in the sky directly overhead
- 5. small pieces of rocks and metal in space
- 6. a cloud of dust and gas in space
- 9. outer planets
- 11. planets will follow this orbit.
- 12. The sun centred model.
- 15. groups of stars that are not officially recognized as constellations.
- 17. flares large explosions in the Sun's atmosphere
- 18. tells you how far above the horizon the object is.