Science history

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Across
  1. 5. when our part of the Earth faces the Sun.
  2. 7. Having the Sun at the Centre
  3. 8. path of Earth round the sun
  4. 9. when our part of the Earth is away from the Sun.
Down
  1. 1. Developed the Heliocentric model
  2. 2. was arrested for saying the Sun at the Centre
  3. 3. movement of Earth around its axis
  4. 4. Having the Earth at the Centre
  5. 6. The direction of spin of the Earth