Unit 2 Vocab

123456789101112131415161718
Across
  1. 2. faint glow of the big bang
  2. 5. the study of stars
  3. 6. change in frequency of a wave
  4. 8. collapsed core of a massive supergiant star
  5. 10. a star losing its nuclear fuel
  6. 11. device used to see stars up close
  7. 13. a system of billions of stars
  8. 15. light nuclei merge to form a heavier nucleus
  9. 16. cloud of gas and dust in outer space
  10. 17. an explosion of a star
Down
  1. 1. how the universe began
  2. 3. science of the origin/development of the universe
  3. 4. every particle attracts every other particle
  4. 7. distribution of electromagnetic frequency/wavelength
  5. 9. classification of stars based on color v. brightness
  6. 12. equivalent to how much light travels in a year
  7. 14. gravity is so intense that it'll collapse space
  8. 18. light is stretched/shifted towards the red