The Moon and the Lunar Cycle

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Across
  1. 2. Earth always sees the ____ side of the moon
  2. 3. the moon is Earth's closest ____ companion
  3. 5. an astronomical object that orbits around Earth
  4. 7. the final phase of the lunar cycle
  5. 8. prints found on the surface of the moon
Down
  1. 1. a natural body that revolves a planet
  2. 2. when the full moon is closest in orbit to Earth
  3. 4. the number of different lunar phrases
  4. 6. scientists believe the moon formed due to an impact between Earth and _______