Nightfall

1234567891011121314
Across
  1. 3. the nebula named for this sea crustacean was created by the SN 1054 supernova
  2. 4. invisible electromagnetic radiation produced by stars, and used for heat vision
  3. 9. first photographed in 2019, only the largest stars end their lives as these
  4. 10. nuclear process by which stars create energy and heavier elements
  5. 11. invisible electromagnetic radiation produced by stars, remember your sunscreen!
  6. 12. main element of most stars (by mass)
  7. 14. visible energy that radiates from stars
Down
  1. 1. star system with 2 stars
  2. 2. first photographed in 2019, only the largest stars end their lives as these
  3. 3. outermost layer of sun’s atmosphere, also part of eye, a beer, and a virus
  4. 5. at the end of their lifetime, some stars become a white ___
  5. 6. _____ centauri, closest star to the earth besides the sun
  6. 7. relating to stars, also outstanding
  7. 8. second biggest element of most stars (by mass)
  8. 9. star system with 2 stars
  9. 13. a coronal mass _____ is a release of plasma and accompanying magnetic field from the solar corona, often following a solar flare