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Text File  |  1991-03-09  |  1KB  |  24 lines
  1. PLUTO
  2. DISTANCE FROM THE SUN:
  3.                 MEAN                3,675,000,000 mi. (5,914,300,000 km.)
  4. SHORTEST                            2,770,000,000 mi. (4,458,000,000 km.)
  5. GREATEST                            4,580,000,000 mi. (7,371,000,000 km.)
  6. CLOSEST APPROACH TO EARTH           2,700,000,000 mi. (4,345,800,000 km.)
  7.  
  8. LENGTH OF YEAR (EARTH-DAYS)         90,700
  9. AVERAGE ORBITAL SPEED               3 mi. per sec.  (5 km. per sec.)
  10. DIAMETER AT EQUATOR                 4,000 mi.(?)    (6,400 km.) (?)
  11. ROATION PERIOD                      6 earth-days
  12. TILT OF AXIS (DEGREE)               (?)
  13. AVERAGE TEMPERATURE                 Lower than -380°F.
  14.                                     (-184° C.)
  15. ATMOSPHERE:
  16. PRESSURE                            (?)
  17.                                     (?)
  18. GASES                               FROZEN METHANE (on surface)
  19. MASS (EARTH=1)                      less than 1
  20. DENSITY (WATER=1)                   (?)
  21. GRAVITY (EARTH=1)                   (?)
  22. NUMBER OF SATELLITES                0
  23.  
  24.