Astronomy Crossword

2. the initial explosion that resulted in the formation and expansion of universe
5. An object that orbits a planet
11. the movement of an object around another object
12. The fourth planet from the sun
14. The fifth planet from the sun, the closest gas giant to the sun
15. The amount of matter in an object
16. The eighth planet from the sun
20. The sixth planet from the sun, also known for its large rings
22. The planet WE live on, the third planet from the sun

1. The central star of our galaxy
3. The study of space
4. The name of our galaxy
6. all of space and everything in it
7. The closest planet to the sun
8. The attractive force between objects
9. An object whose gravity is so strong, nothing can escape it, not even light
10. The second planet from the sun
13. A ball of hot gas that undergoes nuclear fusion
17. The partial or total blocking of one object in space by another
18. The seventh planet from the sun, don't laugh at its name
19. An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the are of its orbit
21. The path of an object as it revolves around another orbit in space