Planetary Classifications

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Uninhabitable Worlds

Uninhabitable planets are, as the name suggests, inhospitable to most organic life. Whether this is because of atmospheric conditions, lack of water, extreme temperature variation, or any number of other factors, these planets can not be lived upon without specialized equipment.

Uninhabitable planets make up the vast majority of worlds in the Orion Arm.

Molten Worlds

Planets of scorching magma flows, unstable plate tectonics, and extreme heat, molten worlds are universally unfit for most organic life.

Even so, molten worlds are known to hold incredible amounts of mineral wealth, and as such are desired by the more daring and wealthy mining conglomerates of the Orion Arm.

Habitable Worlds

Far rarer than uninhabitable planets, Habitable worlds can reliably sustain a biosphere and complex organic life. This does not mean life is sustained easily, however, but the logistical ease of settling a world where the air can be breathed nearly always outweighs any potential risks.

Arid Worlds

Arid Worlds are planets of vast, untamed savannah and shrubland. Unlike Desert Worlds, Arid Worlds can reliably sustain plant life, usually near the poles, around uncommon oases, and after seasonal rains.

Arid worlds are

Desert Worlds

An extreme variant of the above Arid World, Desert Worlds are scorching-hot expanses of sand and rock, broken by exceptionally rare oases and lakes. Most xenolife is restricted to the polar regions, as the equator is usually far too hot and dry to reliably sustain life.

Tundra Worlds

Tundra Worlds are planets colder than Earth standard, yet not so much to be considered a Frozen World. Tundra worlds usually sustain a belt of greenery around the equator, with vegetation becoming less common as one ventures towards the poles. Fauna on Tundra Worlds are similarly dispersed, with rich biodiversity found near the equator's more tolerable temperatures.

Arctic Worlds

Arctic worlds are an extreme variant of the aforementioned Tundra World. While Arctic worlds possess a breathable atmosphere, plant life and surface liquid water are uncommon, restricted entirely to thin bands along the equator. The vast majority of xenolife on these worlds are found in these bands, and deep beneath the surface ice near hydrothermal vents. Temperatures on these worlds rarely exceed freezing temperatures, even on the equator.

Terran Worlds

Worlds mimicking Earth, Terran worlds are fully suitable for human (and most other organic) life, with adequate sunlight, tolerable temperatures at all latitudes, and a nitrogen-oxygen atmosphere. These planets contain incredible biodiversity in all areas, and have an abundance of liquid water in rivers, lakes, and oceans.

Terran Worlds are the holy grail for frontier surveyors, as every known faction in the Sector will pay incredible sums to claim such a verdant paradise. Terran worlds are usually used as administrative centers and capitols, as defacing such a planet with heavy industry and mining would be unthinkably foolish given their rarity and the presence of far more common uninhabitable planets.