Across
- 2. in the universe attracts every other object.
- 6. in a long, narrow orbit.
- 8. a ball of hot gas, primarily hydrogen and helium, that undergoes
- 9. a figure or object.
- 11. fusion.
- 17. a pattern or grouping of stars that people imagine to
- 18. of Universal Gravitation- the scientific law that states that every
- 22. high tides.
- 23. and division of a year.
- 24. eclipse- the blocking of the sunlight to Earth that occurs when
- 27. a chunk of rock or dust in space, generally smaller that an
- 30. the darkest part of a shadow.
- 31. the path of an object as it revolves around another object in
- 32. the partial or total blocking of one object in space by another.
- 33. the spinning motion of a planet on its axis.
- 34. a loose collection of ice and dust that orbits the sun,
- 36. either of the two days in the year on which neither hemisphere
- 37. and south poles, about which the planet rotates.
- 38. on of the different apparent shapes of the moon as seen from the
- 40. flows.
Down
- 1. moon is directly between the sun and Earth.
- 3. a large round pit caused by the impact of a meteoroid.
- 4. greatest distance north and south of the equator.
- 5. an object that orbits a planet.
- 7. eclipse- the blocking of the sunlight to the moon that occurs
- 10. the periodic rise and fall of the level of water in the ocean.
- 12. the movement of an object around another object.
- 13. in Earth's atmosphere.
- 14. either of the two days of the year on which the sun reaches
- 15. a system of organizing time that defines the beginning,
- 16. the part of a shadow surrounding the darkest part.
- 19. an object that orbits a star, is a large enough to have become
- 20. the Earth is directly between the sun and the moon.
- 21. tilted toward or away from the sun.
- 25. and high tides.
- 26. by its own gravity, and has cleared the area of this orbit.
- 27. a streak of light in the sky produced by the burning of a
- 28. the attractive force between objects.
- 29. tide- the tide with the greatest difference between consecutive
- 35. dark, flat areas on the moon's surface formed from huge ancient
- 37. tide- the tide with the least difference between consecutive low
- 39. an imaginary line that passes through a planet's center and its