solar system

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Across
  1. 2. The movement of the Earth around the Sun.
  2. 6. The layer of gases surrounding the earth.
  3. 9. A man made satellite revolving around the Earth to help in communication.
  4. 10. The natural satellite of the Earth.
  5. 11. The imaginary line around which Earth spins.
  6. 12. The star at the centre of our solar system.
Down
  1. 1. The planet called as Earths Twin.
  2. 3. A tool used to see distant planets and stars.
  3. 4. The first person to walk on the moon.
  4. 5. The force that keeps planets in orbit around the Sun.
  5. 7. A planet considered as dwarf planet.
  6. 8. The spinning motion of earth on its axis.