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Mass Effect 2 Planetary Database: Entry Details
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Horizon |
| System: Shadow Sea |
| Cluster: Iera |
| Anomaly/Landable: Yes |
| Installation: Base Installation |
| Colony Founded: 2168 |
| Capital: Discovery |
| Population: 654390 |
| Orbital Distance: 2.1 AU |
| Orbital Period: 3.0 Earth Years |
| Radius: 5,402 km |
| Day Length: 37.8 Earth Hours |
| Atmospheric Pressure: 1.68 Earth Atmospheres |
| Surface Temperature: 13 Celsius |
| Surface Gravity: 0.7 G |
A temperate world that has hit the "sweet spot" for carbon-based life, Horizon has a nitrogen-oxygen atmosphere maintained by abundant indigenous photosynthetic plants and bacteria. While the native plants are not very palatable to humans, the soil conditions are such that a handful of introduced Earth species have flourished, and the colonists must take strict care to prevent ecological disasters. Genetically- engineered "terminator seeds" that grow nutritious but sterile crops to minimize outbreaks are the rule rather than the exception.
Animals on Horizon appear to be exploding in diversity, similar to Earth's Cambrian period. Large flying insect analogues take advantage of the thicker-than-Earth atmosphere and low gravity to grow enormous. Microbial life has proven relatively benign; a series of vaccinations for the most virulent strains of soil-borne diseases is all that is required for a visit. |
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