Man to the Moon!

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Across
  1. 2. the pointed top of a mountain
  2. 6. having qualities that delight the senses
  3. 8. a lowland between ranges of mountains, hills or other uplands-
  4. 10. a person trained to pilot a crew of a space
  5. 12. one who specialises in astronomy
  6. 14. something used for transporting people or goods, especially on land, such as a car, truck, or cart
  7. 15. atmosphere moisture , dust, smoke that diminishes visibility
  8. 16. one complete revolution of such a body
  9. 17. a cavity or hole in any surface
  10. 18. to an extreme degree
Down
  1. 1. a small cloth badge affixed to a garment as a decoration
  2. 3. the condition or quality of being difficult or hard
  3. 4. the imaginary great circle around the earth’s surface
  4. 5. to form mental picture or image
  5. 7. an example that is cited to prove invalidate of a illustrate
  6. 9. an image captured by a camera
  7. 10. the air or climate in a specific place
  8. 11. an arrangement of lenses or mirrors which gathers visible light
  9. 12. a straight line about which a body or geometric object
  10. 13. the outer to the topmost boundary of an object