Stars Earth Science
Across
- 4. the creation of nuclear energy through this star forming process
- 8. a star that is blue and has a luminosity of 30,000
- 10. evidence of a galaxy moving away from earth
- 11. the star that is perpendicular to the North Pole
- 12. the force the causes gas and dust to contract
Down
- 1. the unit for temperature in which stars are measured in
- 2. the brightness of a star
- 3. a star that is 4000K and luminosity 800x the sun
- 5. our sun is this stage of stars
- 6. the oldest groups of stars
- 7. the coolest stars are this color
- 9. cosmic background radiation is evidence to support this theory