Across
- 4. Crown of the sun
- 6. A reddish gaseous layer immediately above the photosphere
- 8. A celestial object of very small radius and very high density
- 11. A massive burst of solar wind
- 14. A fixed luminous point in the night sky
- 15. A star increasing brightness
- 16. A cloud of gas and dust in outer space, visible in the night sky
- 17. A very large star that is even brighter than a giant
- 19. A small very dense star that is typically the size of a planet
Down
- 1. A gravitational field so intense that no matter or radiation can escape
- 2. Innermost layer of the sun
- 3. A very large star of high luminosity and low surface temperature
- 4. Energy is transported by convection
- 5. A celestial object, thought to be a rapidly rotating neutron star
- 7. A ring-shaped nebula formed by an expanding shell of gas
- 9. A spot or patch on the sun
- 10. The luminous envelope of a star
- 12. Energy travels through the zone in the form of electromagnetic radiation
- 13. A brief eruption of high energy radiation from the suns surface
- 18. A star showing a sudden large increase in brightness then returning to its normal state