Across
- 5. The partial or total blocking of one object in space by another
- 6. The darkest part of a shadow
- 7. An object that orbits around a star
- 8. An object that orbits a planet
- 11. An imaginary line that goes through the center of the north and south pole
- 13. A large round pit caused by the impact of a meteoroid
- 15. A streak of light in the sky produced by the burning of a meteoroid in earths atmosphere
- 16. The scientific law that states that every object is the universe attracts every other object
- 17. The periodic rise and fall of the level of water in the ocean
- 18. Dark flat areas on the moon's surface formed from huge ancient lava flows
- 19. Either of the two days of the year on which the sun reaches its greatest distance north or south of the equator
- 21. The movement of an object around another object
- 22. The part of the shadow surrounding the darkest part
- 23. A system of organizing time that defines the beginning length and divisions of a year
- 24. The tide with the least difference between consecutive low and high tides
Down
- 1. The tide with the greatest difference between consecutive low and high tides
- 2. A pattern or grouping of stars that people imagine to represent a figure or object
- 3. The spinning motion of a planet on its axis
- 4. The blocking of the sunlight to the moon that occurs when earth is directly between the sun and moon
- 9. The path of an object as it revolves around another object in space
- 10. The attractive force between objects
- 12. The blocking of sun light to earth that occurs when the moon is between the earth and sun
- 14. A ball of hot gas
- 18. a chunk of rock or dust in space generally smaller than a asteroid
- 20. A loose collection of ice and dust
- 25. Either of the two days of the year on which neither hemisphere is tilted toward or away from the sun
- 26. One of the different apparent shapes of the moon as seen from earth