Across
- 6. explosion of a massive supergiant star
- 8. rapidly spinning neutron
- 9. group of stars
Down
- 1. twinkkle
- 2. nuclear explosion on a white dwarf
- 3. most massive stars
- 4. star's outer shell
- 5. an interstellar cloud
- 7. spots that can be found in the sun
- 10. brightest celestial object