Across
- 4. Spanish for crown; layer you could see during an annular solar eclipse
- 7. the process star undergo to make energy
- 9. the visible layer of the sun
- 11. planets that have a gassy composition
- 12. the element stars run on as fuel
- 14. concrete-like substance found on the moon and asteroids
Down
- 1. the only known planet with life
- 2. this object has a very strong gravitational pull that light can't escape it
- 3. light particles that come from stars
- 5. a fast-rotating object from the remnants of a dead star
- 6. biggest planet in the solar system; known for the Great Red Spot
- 8. these used to be oceans of lava on the moon; were first thought to be filled with water
- 9. the lighter shadow of an object in space
- 10. a star that hasn't started nuclear fusion yet
- 13. places in space where stars start to form