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  1. Stone-age cave paintings, Chauvet, France
  2. Earthrise from the Moon, artwork
  3. Tesla Coil Experiment, 1899
  4. The Bar at the End of the Universe I
  5. Sage Agate A
  6. Boston Cityscape
  7. Kentucky, Fog at sunrise, Red River Gorge. Daniel Boone National Forest
  8. Tesla Coil Experiment, Circa 1899
  9. Full Moon Over The Sea
  10. Spring arrives near the Martian polar cap
  11. Green turtle hatchling
  12. Round Cut Diamonds
  13. Printed circuit board, computer artwork
  14. An oil rig pumps oil from the Montana ground
  15. Sage Agate B
  16. Earth Rise fr Lunar Surface
  17. Green turtle
  18. Condor Agate With Fortifcations
  19. Oilfield At Spindletop
  20. Apollo 11 Launch
  21. Deschutes Jasper, Oregon
  22. Oak burr
  23. Chinese acupuncture model
  24. Mammoth Hot Springs mineral terrace
  25. Montreal, it's Hockey Night in Canada!
  26. Total solar eclipse taken near Carberry, Manitoba, Canada
  27. Bruce McCandless floating free from spacecraft in orbit, 1984
  28. Three Dimensional Periodic Table of Elements
  29. Heathkit computer wires
  30. Green Sea Turtle And Reef Fish
  31. Chamomile flower and ladybird
  32. Deep Space
  33. 'Hens and chicks' succulents
  34. Astronomical Clock, Prague
  35. Dandelion Fluff
  36. American diesel locomotive
  37. Buffalo Running, Animal Locomotion Plate 700
  38. Messier 16, The Eagle Nebula in Serpens
  39. The Bar at the End of the Universe II
  40. Gas Station, Wild West Painting Series
  41. Paris at Night
  42. Space shuttle docked at the International Space Station
  43. Cut and polished diamond
  44. Printed circuit board components
  45. NASA's Curiosity Mars rover on planet Mars
  46. Math Formulas On Chalkboard
  47. Dryad's saddle fungi
  48. Seoul, South Korea