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  1. The Milky Way and the other members of our Local Group of galaxies
  2. A diagram illustrating the parts of Earths atmosphere
  3. A panorama of the strange, mesa like mountains on Io
  4. Saturn seen from the surface of its moon, Rhea
  5. The Heart and Soul Nebulae
  6. The Andromeda Galaxy
  7. The massive galaxy cluster MACS J0717
  8. Hurricane Felix
  9. Full Moon
  10. Full Earth at night showing city lights centered on Asia
  11. A relatively clear day over over the northwestern portion of the United States
  12. Soufriere Hills eruption Montserrat Island Caribbean
  13. The Orion Nebula
  14. Kilauea Pahoehoe lava flow Big Island Hawaii
  15. Bodes Galaxy a spiral galaxy located in Ursa Major
  16. Kawah Ijen burning sulfur Java Island Indonesia
  17. Sunflower Galaxy
  18. The Sun
  19. Star trails above Downtown Vancouver British Columbia Canada
  20. Solar System
  21. Mars Exploration Rover Spirit on the flank of Husband Hill
  22. Color map of Jupiter
  23. Image of comet C/2001 Q4 NEAT
  24. Flaming star nebula in Auriga IC405
  25. Eta Carinae nebula
  26. Horsehead Nebula and Flame Nebula in Orion
  27. Cederblad 214
  28. Orion Nebula
  29. Rho Ophiuchi nebula
  30. The Antennae galaxies
  31. Saturns rings
  32. South Atlantic Plankton Bloom
  33. The John F Kennedy Space Center Americas spaceport
  34. Ius Chasma a large canyon on Mars in the western region of Valles Marineris
  35. Sakurajima eruption Kagoshima Japan
  36. Stromboli eruption Aeolian Islands north of Sicily Italy
  37. The Iris Nebula
  38. The Elephant Trunk Nebula
  39. International Space Station
  40. A United Launch Alliance Delta II rocket lifts off from its launch complex
  41. Space Shuttle Endeavours payload bay
  42. Space Shuttle Endeavour mounted on a modified Boeing 747 shuttle carrier aircraft
  43. Aerial view of Kennedy Space Center
  44. Space Shuttle Endeavour lifts off from Kennedy Space Center
  45. NGC 2903 is a barred spiral galaxy in the constellation of Leo
  46. Magellanic dwarf irregular galaxy NGC 4449 in the constellation Canes Venatici
  47. Strokkur Geysir Haukadalur Iceland
  48. NGC 3603 a hot young star cluster in the Milky Way