Space Jumble v3

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Across
  1. 6. Phases, Shape of Luna's sunlit portion
  2. 7. South region
  3. 10. Earth's natural satellite
  4. 12. Jupiter's smallest natural satellite
  5. 13. Robotic interstellar probes launched in 1977 to collect data of Jupiter and Saturn
  6. 15. Occurring twice a year and is when the sun reaches maximum or minimum declination resulting in the longest and shortest days
  7. 17. Network of bodies that orbit Sol
  8. 18. Four divisions of Earth's orbit around Sol marking changes in weather and daylight hours
  9. 20. Occurring twice a year and is when the sun crosses the celestial equator resulting in day and night to be approximate in length
  10. 21. Building housing an astronomical telescope
  11. 22. Second planet of Sol and brightest object in Earth's night sky
  12. 24. Motion, Yearly movement of stars on the celestial sphere
  13. 27. Largest natural satellite of Pluto
  14. 31. Galaxy formation of no distinct shape
  15. 35. Global Surveyor, United States space probe launched in 1996 to globally map Mars
  16. 36. Path of Earth's orbit around Sol
  17. 37. Fixed points in the night sky of object similar to Sol
  18. 39. Area on celestial sphere representing
  19. 41. Repeating path of an object around another
  20. 42. NASA mission that mapped entire surface of Venus
  21. 44. dwarf planet in the Kipper Belt orbiting Sol
  22. 45. Communication using electromagnetic waves between 30 hertz and 300 gigahertz
  23. 49. First successful Mars lander in 1976
  24. 50. The sun of our solar system
  25. 51. Space probes launched to photograph and study interplanetary matter of Mars and Venus
  26. 52. Mars rover active from 2004 to 2010
  27. 55. Galaxy formation of oval shape
  28. 60. Jupiter's natural satellite and largest orbiting Sol
  29. 63. Soviet artificial satellites and first launched into orbit in October 1957
  30. 64. Saturn's second largest natural satellite
  31. 66. Airborne Observatory, Aka KAO jet used by NASA for infrared astronomy
  32. 67. Rover that landed on Mars in 2012
  33. 70. robotic lunar rovers made by the Soviets during the Moon race
  34. 72. United States space probe launched in 1972 passing Jupiter and first to leave our solar system
  35. 73. outline or pattern of stars
  36. 74. Pathfinder, United States robotic spacecraft that landed on Mars in 1997
  37. 75. Eighth and most dense planet of Sol
  38. 76. Larger of two natural satellites orbiting Mars
  39. 77. Celestial object of ice and dust
  40. 79. Soviet crewed spacecraft resulting Yuri Gagarin as the first man in space
Down
  1. 1. Sphere, imaginary sphere around the observer on which celestial objects appear to lie
  2. 2. Sixth planet of Sol and second largest
  3. 3. Building with interior that projects the night sky
  4. 4. retired space shuttle that was created after Challenger
  5. 5. Failed space shuttle resulting in death of 7 crew members in 1986
  6. 8. Colloquial grouping of stars on the celestial sphere
  7. 9. Third United States spaceflight program resulting in the first humans on Luna
  8. 11. Fourth planet of Sol and second smallest
  9. 14. Celestial object small and rocky
  10. 16. Jupiter's second largest natural satellite
  11. 19. Seventh planet of Sol and first planet discovered by telescope
  12. 22. Russian space mission to Venus set to be launched in 2029
  13. 23. Mission resulting in successful keeping of humans on the ISS since 2000
  14. 25. Neptune's largest natural satellite
  15. 26. Smallest and closest planet with shortest orbit of Sol
  16. 28. Clouds of dust and gas occupying space
  17. 29. Soviet program that sent spacecraft to our moon for study
  18. 30. Uranus's largest natural satellite
  19. 32. North region
  20. 33. Astronomy, traditional practice of observing the sky for time and navigation
  21. 34. Shuttle, Comprising of two solid rocket boosters, one external tank and an orbiter (or space-plane)
  22. 37. Galaxy formation of one or more arms
  23. 38. Research mission between NASA and ISA to study Saturn
  24. 40. Tool used to see faraway objects
  25. 43. Fifth planet of Sol and largest
  26. 46. Saturn's third largest natural satellite
  27. 47. Curie, Sojourner's flight spare
  28. 48. Gravity bound system of stars, planets, gas, dust and dark matter
  29. 52. Lab, First United States space station launched in 1973
  30. 53. Space Station, Intergovernmental establishment in orbit of Earth comprised of modules
  31. 54. Saturn's largest natural satellite
  32. 56. Unit, Distance between center of Earth and center of Sol
  33. 57. United States un-crewed space mission in the 1960s to take close photos of Luna
  34. 58. United States robotic space probe launched 1989 to study Jupiter and its moons
  35. 59. Eye, Visual perception without use of assisting factors
  36. 61. NASA program beginning in 1992 to improve understanding of our solar system
  37. 62. Empty space
  38. 63. First Mars rover and first wheeled vehicle on another planet that landed in 1997
  39. 64. Device that uses the reverberation of radio waves to sense objects
  40. 65. point 90 degrees from the horizon directly up
  41. 68. First United States spacecraft to achieve orbit
  42. 69. Smaller of two natural satellites orbiting Mars
  43. 71. Third planet of Sol and our home
  44. 78. Jupiter's third largest natural satellite