Astronomy

2. eclipse the blocking of sunlight to Earth that occurs when the moon is directly between the sun and Earth
4. the tendency of an object to resist a change in motion
6. two days of the year on which neither hemisphere is tilted toward or away from the sun
8. An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates.
9. the amount of matter in an object
12. the movement of an object around another object
13. the attractive force between objects; its strength depends on their masses and the distance between them
14. the study of the moon, stars, and other objects in space.

1. one of the different apparent shapes of the moon as seen from Earth
3. the spinning motion of a planet on its axis
5. the two days of the year on which the sun reaches its greatest distance north or south of the equator
6. the partial or total blocking of one object in space by another
7. A group of stars, gas and dust held together by gravity.
10. a push or a pull exereted on an object
11. eclipse the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon