Earth and Beyond

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Across
  1. 4. The model of the solar system in which the Sun is at the center.
  2. 6. The scientist who first proposed the heliocentric model.
  3. 9. The spinning movement of Earth on its axis that causes day and night.
  4. 10. The star at the center of our solar system.
Down
  1. 1. The scientist who supported the heliocentric model using telescope observations.
  2. 2. The natural satellite that orbits the Earth.
  3. 3. The movement of Earth around the Sun that takes about 365 days.
  4. 5. The force that keeps planets moving around the Sun.
  5. 7. The planet known for its prominent ring system.
  6. 8. Imaginary line that runs through Earth from North pole to the South pole.