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Alien Species

Venus

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Venus
Venus
Universe Actual Universe
System Sol System
Orbital Position 2
Moons None
Class Terrestrial
Gravity 0.9 g (8.87 m/s²)
Atmosphere 96.5% carbon dioxide, 3.4% nitrogen, 0.1% others (sulfur dioxide, argon, water vapor, etc.…)
Climate Harsh, Hot
Diameter 12103.6 km
Primary Terrain Mountains, plains, volcanoes, craters, lava channels
Surface water None
Notable Species Venusians
Rotation period 243 Earth days
Orbital Period 224.7 Earth days

Venus is the second planet in the Sol System. It is named after the Roman goddess of love and beauty. Ironically, the planet's surface is a hellish wasteland. Venus is visible from Earth as a large, bright star, looking much brighter than the brightest stars because it is close to it. However one can't see the planet because it is completely covered with clouds. It is so bright as it reflects sunlight by its clouds.

Venus is a medium sized terrestrial world and the second planet from Sol; located in the periphery of the Milky Way Galaxy. It is the closest planet to Earth and is sometimes known as Earth's sister thanks to their similar size and composition, as well as proximity. Venus has an active core, a molten mantle and no natural satellites. Although scientific evidence suggests that Venus was Earth-like in the past (i.e. with a comforting temperature and large oceans), its extremely dense, CO²-rich atmosphere has long transformed it into a hellish world with surface temperatures exceeding 420°C and sulfuric acid rains being not uncommon. Being geologically-active, it is also a site for volcano activity and earthquakes. Unlike its system neighbors, Venus rotates clockwise seen from its Northern hemisphere; and its days last longer than its years.

In spite of its harsh surface conditions, Venus has been one of the most popular sites for extraterrestrial activity in science fiction; be in the form of beautiful humanoids or sulfuric eating reptilianoid beasts. The planet itself has been described as anything from an ocean world to a nice temperate world, with the middle and most common idea of a wet, jungle world; before new discoveries began to show a clear picture of what it really looked like. Additionally, some people believe that Venus might actually have native lifeforms in real life, especially in the upper atmosphere, where temperatures can be more amene. The existence of cloud-dwelling microbes in Earth's atmosphere might give support to this hypothesis.

AtmosphereEdit

Venus is covered with a thick atmosphere made of carbon dioxide, sulfuric acid and other compounds. At the surface, this atmosphere reaches temperatures of 900° Fahrenheit (460 °C or 735 K) and exerts a pressure of 90 atm, equivalent to being 3,000 feet underwater.

Late 20th century man came to the conclusion that the atmospheric pressure and temperature approximately (50km) above the surface are the closest to Earth's surface and atmosphere as anywhere in the entire planetary system, citing a real but difficult proposal of building floating city-colonies above Venus at this altitude that could utilize aerostats to remain airborne. Even so, it was also stated that it would involve many engineering challenges due to the still-present dangerous amounts of sulfuric acid at these heights.

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