Science 9-Chapter 10.1

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Across
  1. 2. People who study objects in space
  2. 4. occurs when the lights wavelengths become longer
  3. 5. The year Arno Penzias and Robert Wilson made their discovery
  4. 6. the transmission of energy in waves
  5. 8. most supported theory of the creation of the universe
  6. 10. How long the search for an explanation of the formation of the universe has been going on
  7. 11. Space telescope launched in 2001 by NASA
  8. 15. A galaxy, from above looks like a pinwheel with long arms
  9. 16. The first person to discover other galaxies besides the Milky Way
  10. 17. A general term for all objects in space
  11. 18. energy that is carried, or radiated, in the form of waves
  12. 19. A space telescope launched in 1990 by NASA
Down
  1. 1. Believed to be radiation left over from the Big Bang theory
  2. 3. main evidence of the Big Bang theory
  3. 5. How long ago the Big Bang happened
  4. 7. Telescope launched 1989 by NASA
  5. 9. Belgian priest and physicist
  6. 12. A galaxy that doesn't have a shape of organization
  7. 13. Visible light, is an example of this
  8. 14. A galaxy, that has some of the oldest stars