Cosmos

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Across
  1. 4. / largest planet
  2. 8. / celestial satellite of the earth
  3. 9. / farthest planet from the sun
  4. 10. / closest planet to the sun
  5. 11. chawla / the first indian woman to step on the moon
  6. 13. satellite / a man made satellite that orbits the earth
  7. 15. / middle layer of the earth
  8. 18. / ringed planet
  9. 19. layer / layer of earth with a gas called ozone
  10. 21. / blue planet
  11. 22. / fixed path on which the planets revolve around the sun
Down
  1. 1. / topmost layer of the earth
  2. 2. eclipse / when the earth comes in between the sun and moon
  3. 3. / bottommost layer of the earth
  4. 5. / lighter part of the moon's shadow
  5. 6. / darker part of the moon's shadow
  6. 7. of plasma / atmosphere of the earth
  7. 12. / celestial body of the earth
  8. 14. / deep holes in the surface of the moon
  9. 16. 11 / the satellite of neil armstrong
  10. 17. system / family of the sun and planets
  11. 20. armstrong / first person to keep foot on the moon