Across
- 2. example of a main sequence star
- 6. a cloud of gas and dust in space
- 10. produces energy by nuclear fusion
- 12. stage of a star between the nebula and a main sequence star
- 13. brightness of a star
- 14. the color of the coolest stars
- 15. the part of the sun that you see during an eclipse
- 16. the type of galaxy that the milky way galaxy is
- 17. a dead star that no longer shines
Down
- 1. a massive explosion of a star
- 2. dark areas on the sun
- 3. a group of billions of stars that make up the universe
- 4. produces visible light we see from the sun
- 5. formed when two hydrogen atoms combine
- 7. the color of the hottest stars
- 8. waves of multicolored light
- 9. a type of galaxy where stars are evenly spread apart
- 11. a type of galaxy that has no apparent shape