Across
- 1. What color are the hottest stars?
- 4. ________ is the center of our solar system.
- 7. Our sun is classified as which type of star?
- 8. What is the name of our galaxy?
- 9. Which type of galaxy has an oval shape?
- 11. What do planets orbit?
- 12. ________ is made of ice and dust and has a tail
Down
- 2. This measures the brightness of a star.
- 3. This cloud of gas and dust is where stars are formed.
- 4. Our galaxy is a __________ galaxy.
- 5. These stars are really hot, but have low luminosity.
- 6. What do moons orbit?
- 10. What is the spectral class?