Across
- 4. On a larger scale superclusters, form what?
- 6. What is the icey asteroid belt at the outer edge of our solar system called?
- 7. What type of galaxy cluster is ancient and filled with millions of stars?
- 9. How many types of galaxies are there?
- 11. What type of unit describes the distance of Earth's orbit around the sun?
- 14. What is the distance light travels in one Earth year called?
- 16. what is the name given to galaxies that emit lobes of ionized gas?
Down
- 1. What type of galaxy is the milky way?
- 2. What name is given to an active Galactic Nuclei so bright that it outshines its “galactic neighborhood” of stars?
- 3. The largest form of celestial object is what?
- 4. The Moon is approximately how many times smaller than the Earth?
- 5. Cosmic gas and dust might form a what?
- 8. Which galaxy is the milky way's closest neighbor?
- 10. what supercluster is the milky way located in?
- 12. What type of galaxy cluster is relatively young with a few thousand stars?
- 13. What force holds galaxies together?
- 15. Approximately how many Earths can fit between the Earth and moon?