Across
- 2. The organic matter in the space cloud
- 4. Another name for neutron star
- 5. what is at the center of luminous galaxies
- 6. what could be in the kuiper belt
- 9. what is pushing galaxies apart
- 10. Name of the "frankenstein moon"
- 12. Strange asteroid that crosses earth's orbit
Down
- 1. most of the mass in the universe
- 3. What is in venus' clouds
- 7. one of the other chemicals in the space clouds (NH3)
- 8. What is in yellowstone's hot springs
- 11. What could have brought life to our planet