XXVc: The 25th Century
Venus is one of the four solar terrestrial planets, meaning that, like the Earth, it is a rocky body. In size and mass, it is very similar to the Earth, and is often described as its ‘sister’, or Earth’s twin. The diameter of Venus is only 650 km less than the Earth’s, and its mass is 81.5% of the Earth’s. However, conditions on the Venusian surface differ radically from those on Earth, due to its dense carbon dioxide atmosphere.
About 80% of Venus’s surface is covered by smooth volcanic plains, consisting of 70% plains with wrinkle ridges and 10% smooth or lobate plains. As well as the impact craters, mountains, and valleys commonly found on rocky planets, Venus has a number of unique surface features. Among these are flat-topped volcanic features called farra, which look somewhat like pancakes and range in size from 20–50 km across, and 100–1,000 m high radius.
[ Swiped from the Cowboy Bebop Wiki ]
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