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Twelfth Grade (Grade 12) Space Exploration Questions

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Grade 12 Space Exploration
Who published the first heliocentric model?
  1. Tycho Brahe
  2. Ptolemy
  3. Kepler
  4. Copernicus
Grade 12 Space Exploration
Astrobiology is best described as
  1. the study of animals in space
  2. the scientific search for evidence of intelligent life
  3. the study of life in the universe
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