Astronomy Cross Word Puzzle

2. When the Moon is more than half full.
6. The spinning motion of a planet on its axis.
8. The observation that the farther away a galaxy is, the faster it is moving away.
9. A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
12. The initial explosion that resulted in the formation and expansion of the universe.
14. A model of the universe in which Earth is at the center of the revolving planets and stars.
17. One of the small asteroid-like bodies that formed the building blocks of the planets.
18. The movement of an object around another object.
20. The tendency of an object to resist any change in its motion.
21. When the moon’s shadow falls upon Earth.
24. An object in space revolving around a star.
25. Change in the shape of the moon.

1. Way Our galaxy
3. All of space and everything in it.
4. The apparent change in position of an object when seen from different places.
5. The most visible planet we see at night.
7. The lowest possible temperature
10. The distance that light travels in one year
11. A model of the solar system in which Earth and the other planets revolve around the sun.
13. Matter that does not give off electromagnetic radiation
15. The study of the moon, stars, and other objects in space.
16. An enormously bright, distant galaxy with a giant black hole at its center.
19. The force that pulls objects toward each other.
22. Planets travel around the sun in what shape?
23. The star that provides light for the Earth