Venus

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10 Hot Facts About Venus

Venus, the second planet from the Sun, has a thick, opaque atmosphere, preventing optical-based telescopes and orbiting space probes from observing its surface. This didn’t prevent Earth’s scientists from mapping the planet’s surface; they used radar to unveil what’s below Venus’s clouds. 1 Venus is a Victim of a Rampant Greenhouse Effect Venus’s atmosphere is made mostly of carbon dioxide,…