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Mercury
Mercury Globe-MESSENGER mosaic centered at 0degN-0degE
A composite image of Mercury
Astrography
Star Sol
Type Barren planet
Satellites None
Gravity 0.38 G
Orbital distance 0.4 AU
Day length 58.6 Earth days
Year length 88 Earth days
Diameter 4,879 km
Axial tilt 2.1°
Temperature
Average 340 K
Minimum 100 K
Maximum 700 K
Atmosphere
Atmosphere composition 42% oxygen, 29% sodium, 22% hydrogen, 6% helium, 0.5% potassium, trace other
Surface pressure trace
Demographics
Factions Eteno Imperial Triumvirate
Population None
Major imports Industrial supplies
Major exports Iron

Mercury is the first planet in the Sol system.

Physical characteristicsEdit

Mercury is the smallest terrestrial planet in the Sol system, even smaller than the largest satellites of Jupiter and Saturn. However, Mercury is incredibly rich with metals, and possesses a dense iron core. Although Mercury-like worlds are desirable for colonization, Mercury itself is too close to Sol to be of any real use.

Mercury is littered with craters due to its thin atmosphere. These craters range in many sizes, the largest having a diameter of 1,550 km.

Mercury has a slight axial tilt and has a long day/night cycle as a result of being close to its star.

ColonizationEdit

Mercury is the home of a small Eteno Imperial Triumvirate mining operation. A small number of core pumping facilities supply iron to in-system industries.

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