Portal:Solar System/Selected article/4: Difference between revisions

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Classified as a [[terrestrial planet]], it is sometimes called Earth's "sister planet", for the two are similar in size, gravity, and bulk composition. Venus is covered with an opaque layer of highly reflective [[cloud]]s, preventing its surface from being seen from space in [[visible light]]; this was a subject of great speculation until some of its secrets were revealed by [[planetary science]] in the twentieth century. Venus has the densest [[atmosphere]] of all the terrestrial planets, consisting mostly of [[carbon dioxide]]. The [[atmospheric pressure]] at the planet's surface is 90 times that of the Earth. ('''[[Venus|more...]]''')

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