Across
- 3. a current of hot gas projected into space
- 8. the sun's layer formed by moderately hot gas
- 9. a group of rocky planets
- 12. glowing light in the night sky
- 14. a slightly cooler darker spot on the sun's surface
- 15. a round hollow on the suface a planet or moon
- 17. a chunk of rock that didn't burn up completely
- 18. a natural satellite
- 19. a theorty about the orgin of the universe
- 20. an enormous cluster of billions of stars
- 22. the layer of very hot gas
- 23. a celestial body orbiting the sun
Down
- 1. a group of large gas planets
- 2. outside part of the sun
- 4. when light from a star tjt is moving away
- 5. extremely violent eruption of gas
- 6. large loops of super hot gas
- 7. a smaller chunk of rock floating in space
- 8. celestial body in orbit around a star
- 10. a small body made up of rocky bodies in our solar system
- 11. theory a theory that states that the universe is closed
- 13. a celestial body of burning hot gases powered my nuclear fusion
- 16. also called meteor
- 21. one of many small rocky body's