Across
- 1. a celestial body moving in an elliptical orbit around a star
- 3. Areas in space where gravity pulls so much that light itself cannot get out.
- 6. space between the stars
- 11. Giant ball of gas
- 12. Picture taken of Earth in 1990 by Voyager 1
- 13. Most of the universe is empty space called a _________
- 14. is the science that deals with the material universe beyond the earth’s atmosphere.
Down
- 1. A rotating disk of dust and gas that surrounds the core of a developing solar system.
- 2. Some black holes are called ________
- 4. 4.6 billion year old star, halfway through its main sequence
- 5. Jupiter is made up of mostly trapped _________
- 7. The largest black holes
- 8. A spiral galaxy approximately 2.5 million years from earth
- 9. Earth's universe
- 10. One of the 4 gas giants