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Callisto

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Callisto
Orbital characteristics
Orbital period 26.6863 Terran days
24.70001 Callistoan days
Orbital axis
Apojovine
Perijovine
5,647,895 km
5,689,319 km
5,606,472 km
Physical characteristics
Rotation period 25.93 hours
Mean diameter 16,872 km
Surface gravity 10.076 m/s²
Surface area
Water
Land
894,300,000 km²
195,800,000 km² (22%)
698,500,000 km² (78%)
Axial tilt 0.198°
Temperature
Min.
Main
Max.

139 K
241 K
287 K
Atmospheric pressure (at MSL) 1101 mbar
Other
Inhabitants
Density
0 (as of 2005)
0
Countries none recognized (according to UN)

Callisto is the fourth major planet of Jupiter. It is designated also Sol B IV.

History

Callisto was formed around 9 billion years ago. Then, it was even colder planet than now. But later growing of Jupiter made also Callisto become warmer. Unicellular organisms have been calculated to have reached the planet some 2 Gyr ago, and the evolution of life has been ongoing even since.

In 1854 AD Charles Darwin theorisized the existence of life on Callisto. In March 2nd, 2006 AD, Japanese astronauts landed on the planet. Several organisations have planned on colonization, while goverments of countries are not interested on this cold environment.

Geography

Callisto has relatively weak plate tectonics, and a mostly flat terrain with an exception of several high volcanoes (formed over hot spots). The highest place is 14039 m MSL.

The minimal axial tilt results in warmth at equatorial regions.

Land area

  • Total land area: 698,500,000 km²

Cartographical distinction:

    • Continent 1: 314,000,000
    • Continent 2: 302,500,000
    • Continent 3: 56,400,000
    • Islands: 25,600,000

Topographical distinction:

    • 0-500 m: 594,200,000
    • 500-2000 m: 81,400,000
    • over 2000 m: 22,900,000

Biospheres:

    • Subtropical zone having rainfall: 3,900,000
    • Desert zone: 83,800,000
    • Temperate forest zone: 102,000,000
    • Tundra zone: 90,300,000
    • Polar zone with no cover: 2,800,000
    • Polar zone with water ice: 274,900,000
    • Polar zone with carbon dioxide ice: 139,400,000
    • Polar zone with seasonal oxygen rains: 1,400,000

Climate

The mean temperatures collected by latitude:

  • Equator-10°: 293 K
  • 10°-20°: 280 K
  • 20°-30°: 252 K
  • 30°-40°: 237 K
  • 40°-50°: 210 K
  • 50°-60°: 183 K
  • 60°-70°: 150 K
  • 70°-80°: 139 K
  • 80°-90°: 119 K

Claims

Claims to Callisto or some territory on it are laid by the following:

  • Countries:
    • Japan
    • Greece
    • USA
  • Companies:
    • Toyota
    • Mitsubishi
    • Microsoft

Colonisation is intended by the following:

  • A British group
  • An Estonian group
  • A Russian group
  • An Italian group

Reactions

The United Nations has not supported any of the claims. The international community is especially against the claim of Microsoft, as Bill Gates has already conquered a country for himself on Venus.

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