Phys.org -
25 Jul 2017 18:43

Venus is often referred to as Earth's twin because both planets share a similar size and sur-face composition. Also, they both have atmospheres with complex weather systems. But that is about where the similarities end: Venus is one the most hostile places in our solar system. Its atmosphere consists of 96.5 percent carbon dioxide, with surface temperatures of con-stantly about 500 degrees Celsius. Venus is a slowly rotating planet--it needs about 243 ter-restrial days to complete one rotation. ...
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