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  1. A comet passes over the surface of Mercury
  2. The sun in Halpha light
  3. The Pleiades
  4. Part of the IC1805 Heart nebula in Cassiopeia
  5. Sharpless 2132 emission nebula
  6. Astronauts participate in extravehicular activity
  7. Phoenix Mars Lander
  8. Space Shuttle Atlantis and Endeavour sit on their launch pads at Kennedy Space Center
  9. Space Shuttle Endeavour on the launch pad at Kennedy Space Center Florida
  10. HobbyEberly Telescope observatory dome at McDonald Observatory
  11. The Andromeda Galaxy
  12. Two Typhoon systems approaching the Far East
  13. A relatively clear day over over the northwestern portion of the United States
  14. Kawah Ijen burning sulfur Java Island Indonesia
  15. Messier 106 a spiral galaxy with an active supermassive black hole
  16. Andromeda galaxys older stellar population in blue
  17. Pluto and its moon Charon lie at the frontier of the solar system
  18. A moon rises over a young world
  19. A star going critical illuminates a nearby planet and nebula
  20. A massive nebula covers a huge region of space
  21. A gas giant and multiple moons look down on a beautiful island sunset
  22. NGC 6992, The Eastern Veil Nebula
  23. Spacesuit engineer simulates work inside a crater in Johnson Space Centers Lunar Yard
  24. A Delta IV Heavy Launch Vehicle launches from Vandenberg Air Force Base
  25. A United Launch Alliance Delta II rocket lifts off from its launch complex
  26. The Hubble Space Telescope in orbit above Earth
  27. Venus
  28. Earths horizon against the blackness of space
  29. A light fog forms in a desiccated gully in Gale Crater, Mars
  30. The Antennae Galaxies
  31. Venus
  32. NGC 457 is an open star cluster in the constellation Cassiopeia
  33. Comet McNaught P1
  34. Part of the M42 nebula in Orion
  35. M42 nebula in Orion
  36. The Cave of IC1848
  37. The Omega Nebula
  38. The Galactic Center of the Milky Way Galaxy
  39. The Orion Nebula
  40. Bok Globules in NGC 281
  41. The Hubble Space Telescope with a blue earth in the background
  42. Space Shuttle Atlantis lifts off from its launch pad at Kennedy Space Center Florida
  43. 47 Tucanae NGC104 Globular Cluster in Tucana
  44. Solar System
  45. A rugged planet landscape dimly lit by a distant red star
  46. Waning Moon
  47. Space Shuttle Discovery approaches landing on the runway at the Kennedy Space Center
  48. Aerial view of the Kennedy Space Center Visitor Complex