Across
- 2. the study of the moon, stars, and other objects in space
- 4. a push or a pull exerted on an object
- 5. blocking of sunlight to the moon that occurs when the earth is directly between the sun and the moon
- 7. two days of the year on which the sun reaches its greatest distance north or south of the equator
- 9. dark flat areas on the moon's surface formed from ancient lava flows
- 14. tendency of an object to resist a change in motion
- 15. part of the shadow surrounding the darkest part
- 16. two days of the year on which neither hemisphere is tilted toward or away the sun
- 18. attractive force between objects
- 19. the spinning motion of a planet on its axis
Down
- 1. blocking of sunlight on earth that occurs when the moon is between the sun and the earth
- 3. one of the different apparent shapes of the moon as seen from earth
- 6. partial of total blocking of one object in space by another
- 8. darkest part of a shadow
- 10. the movement of an object around another object
- 11. imaginary line that passes through earth's center and the north and south pole
- 12. the path of an object as it revolves around object in space
- 13. periodic rise and fall of the level of water of the ocean
- 17. large round pit caused by the impact of meteroids