This means that Venus is hotter than Mercury. It is so hot, it can even melt zinc. The atmosphere has more carbon dioxide than Earth. The clouds measured on Venus are 48 to 62 kilometers. The clouds are made out of sulphuric acid.
Volcanoes sometimes erupt on the planet.
Who knows, maybe volcanoes are erupting now as we speak. Over 450 years ago, an astronomer nam ed Gallia was the first astronomer who sighted Venus with a radio telescope. In the early 1950's, people started to use technology such as radio telescopes. Most of the voyages to Venus were landed by NASA, and the Soviet Union. The first successful interplanetary spacecraft flew past Venus and made discoveries about its temperature and atmosphere.