Across
- 2. center of the sun
- 3. a very large star of high luminosity and low surface temperature
- 4. a spot or patch appearing from time to time on the sun's surface
- 6. a rapidly spinning neutron star that emits pulses of radio and optical energy
- 10. coronal gas that gets thrown into space from the sun
- 15. an object so massive and dense that even light cannot escape its gravity
- 17. a star that has collapsed under gravity to the point that the electrons and protons have smashed together to form neutrons
Down
- 1. a large cloud of gas and dust;region in space where stars are born
- 2. Thin layer of the sun thatglows a reddish color during eclipses
- 4. a very large star that is even brighter than a giant, often despite being relatively cool.
- 5. a large celestial body that is composed of gas and that emits light
- 7. a star that suddenly becomes brighter
- 8. the location on the H-R diagram where most stars lie
- 9. Nebula a cloud of gas that forms around a dying star
- 10. Region of the suns interior between the radiative zone and the photosphere
- 11. zone of the suns interior thats between the core an convective zone
- 12. an explosive release of eneergy that comes from the sun
- 13. The outermost layer of the suns atmoshpere
- 14. a small, hot, dim star that is the leftover center of an old sunlike star
- 16. Visible surface of the sun
- 18. a star that explodes and blows itself apart