Across
- 2. The process that allows a star to give off light and heat
- 6. A ring-shaped cloud of gas formed after a giant
- 8. A huge cloud of dust and gas held together by gravity; star nursery
- 9. A young, baby star in the early stages of formation
- 10. Most stars are in this middle-aged stage of their life cycle
- 11. A star that is among the most massive and brightest of all stars
- 12. A dead star that no longer gives off light or heat
Down
- 1. A gravitational field so strong that not even light can escape
- 3. A star that is exhausting all of its nuclear fuel; blue-white in color
- 4. An extremely bright explosion of a star
- 5. A star that is larger and brighter after a main sequence star
- 7. The extremely dense remains of a dead high-mass star