Across
- 4. the explosion after a Supergiant dies of fuel
- 7. the core of a star after a planetary nebula
- 8. a large cloud of gas and dust
- 9. the earliest stage of a star's life
Down
- 1. the final stage of a low-mass star
- 2. the next stage of high-mass stars
- 3. the next stage of low-mass stars
- 5. 1 of the 2 stages of a supernova and is made from the material
- 6. the other stage of a supernova and has enough gravity to suck in light
- 9. shortened for pulsating radio sources and is spinning neutron stars