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Venus, our mysterious hot neighbor 67,237,910 miles (108,208,930 km) from the sun, possesses a gaseous atmosphere composed of deadly carbon dioxide with clouds of sulfuric acid. Its radius measures about 3,760.4 miles (6,051.8 km). Venus achieves a temperature of 870 degrees F (465 degrees C). Whew, that's hot! It's even hotter than that Mercury! Venus is the hottest planet in the solar system.

Venus Size Comparison

We've nearly reached our home planet, Earth. So here's a quick look at how our blue marble stacks up to its nearest neighbors. A comparison of the sizes of planets Venus (left), Earth and Mars.