Across
- 4. Supermassive stars collapse into these, so dense light cannot escape
- 6. Sphere of gas and dust that is hot and dense
- 9. Space rock that strikes Earth’s surface
- 10. Star that is beginning to form; gas and dust begin to spin
- 13. star that is stable and glowing brightly
- 14. Contains billions of stars, gas, dust, and planets
- 15. Birthplace of stars, cloud of gas and dust
- 16. All matter that has ever been created
- 17. Explosion of a massive star
- 18. Highly dense, collapsed star, packed with neutrons
Down
- 1. Massive star that has expanded and begins to cool down
- 2. Star that has expanded and begins to cool down
- 3. Terrestrial or gas sphere that orbits a star
- 5. Space rock between Mars and Jupiter
- 7. Star that has collapsed and glows white
- 8. Clump of gas and ice
- 9. Space rock in Earth’s atmosphere
- 11. Space rock not between Mars and Jupiter
- 12. Our main sequence star
- 13. The route a star takes through its life cycle depends on its _____