Across
- 3. Dark, flat areas on the moon’s service formed from huge ancient lava flows
- 4. The spinning motion of Earth around its axis
- 5. The two days of the year on which the sun reaches its greatest distance north or south of the equator.
- 8. the imaginary line that passes through Earth’s center and the North and South poles
- 9. The study of the moon, stars, and other objects in space
Down
- 1. The movement of one object around another object
- 2. a device built to observe distant objects by making them appear closer
- 3. Chunks of rock or dust in space
- 6. attracts all objects
- 7. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
