Across
- 1. Which type of galaxy usually appears blue-white in color?
- 6. spherical or football shapes.
- 7. Began to form 13.7 billion years ago.
- 10. Which type of galaxy mainly contains old stars?
- 11. ABlack hole in the center of Milky Way
- 12. Our galaxy has 200-400 billion stars
- 13. galaxy Which galaxy type contains a mix of young and old stars?
Down
- 2. Which galaxy type has very high star formation?
- 3. formed About 13.6 billion years
- 4. have no shape
- 5. A flat, rotating disk
- 7. group of stars, gas, and dust held together by gravity.
- 8. Matter Matter that does not emit, absorb, or reflect light, making it completely invisible.
- 9. Invisible form of energy that causes a repulsive force