Big Bang

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Across
  1. 3. the increase/decrease of frequency in sound as an objects move closer/further from each other
  2. 5. a hunter who was changed into a constellation at his death
  3. 6. the speed recessing galaxies is connect to the distance from the observer
  4. 8. pattern of wave lengths that appear as coloured lines in a spectroscope
  5. 13. a system of millions of star held together by gravitational attaction
  6. 14. study of the stars to predict the future
  7. 17. the most excepted theory on how the universe was formed
Down
  1. 1. a group of stars that form a pattern
  2. 2. the rival theory
  3. 4. the brightest star
  4. 7. the cooling remnant of the hot big bang (abbreviation)
  5. 9. a collection of beliefs that are mistaken for scientific fact
  6. 10. an object visible in space
  7. 11. seventh brightest star
  8. 12. the branch of science that deals with space
  9. 15. a map formed in the shape of a sphere
  10. 16. the tenth brightest star