Crossword: Galaxies
Across
- 4. We have to use computers to simulate a galaxy _______
- 7. A type of galaxy that contains young blue stars
- 9. a type of galaxy with very bright cores
- 11. _______- latitude
- 12. the apparent difference in position of an object
- 13. A type of galaxy that contains old red stars
- 14. a type of spiral galaxy that has a noticed bar in the center
Down
- 1. a type of galaxy that has no symmetry
- 2. the study of the universe
- 3. right _______ - longitude
- 5. The _______-year is the distance that light travels in one year
- 6. _______ variable stars are used to measure stars that have a distance of over 2,00 light years
- 7. most galaxies have a _______ black holes in their centers
- 8. Edwin _______ measured the expansion of the universe
- 10. _______ a group of billion of stars