Astronomy

2. A natural or man-made object that orbits a planet or smaller object
6. A space rock that is smaller than a planet, orbits the sun
8. A large cluster of billions of stars, dust, and gas that are held together by gravity
9. The curved path something takes around another object in space
10. Stars that form a pattern or shape
13. A scientist who studies space
15. A large, round object that orbits a star
16. Frozen ball of dust and ice that travels through space

1. An invisible protective blanket of air around earth
3. Closest galaxy to the Milky Way
4. The North Star
5. The most common gas in the universe
7. The blocking of light from the sun by something
11. National Aeronautics and Space Administration
12. The force that pulls things toward one another
14. A piece of rock that burns very brightly when it enters earth's atmosphere