Until this week, Earth was the only planet known to have active volcanoes

Venus is sometimes called Earth’s twin, as it is roughly the same size as Earth, occupies the orbital lane adjacent to ours, and has a problem with greenhouse gases (namely carbon dioxide) in its atmosphere. Yet the similarities between the two worlds end quickly: The greenhouse effect spiraled out of control on Venus, meaning it is a toasty 900 degrees Fahrenheit at the surface — hot enough to melt lead....

Originally posted on salon.com