Michael Space

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Across
  1. 4. noticed that all other galaxies were moving away from us
  2. 5. had the idea that the universe started from a single point
  3. 7. when was background radiation discovered
  4. 8. used to study starlight to see what makes up stars
  5. 9. which galaxies move faster, closer or father galaxies
  6. 10. a hypothesis that is supported by experimentation and observation
Down
  1. 1. is the universe homogeneous or heterogeneous
  2. 2. how long ago the universe started
  3. 3. a rule that correctly describes a natural phenomenon
  4. 6. something scientists still cannot figure out