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