What is the planet venus composition?
The surface is shaped by volcanic activity and composed of mountains (shield volcanoes), flatlands, and valleys which 75% is bare rock (lava plains). Because of the extreme atmosphere a surface probe cannot survive, so most of the information gathered about this planet is by visual means, especially radar and large telescopes. http://www2.jpl.nasa.gov/magellan/guide.… Venus’ atmosphere is so thick that a barometric reading (a measure of pressure) would be between 90 to 100 times higher than Earth’s, which is the equivalent on Earth of being underneath 1 km of water. Its atmosphere is 97% carbon dioxide. This green-house gas retains almost all of the heat Venus’ surface gets from the sun, and its surface temperature of 480 °C (896 °F) is the same on both sides of the planet due to the insulating nature of the clouds. This temperature is hot enough to melt lead! The clouds are rich in sulfuric acid, so any type of
There are several layers of clouds many kilometers thick composed of sulfuric acid. There are strong (350 kph) winds running along the cloud tops. Most of Venus’ surface is made up of gently rolling plains with very little slope. There are also several large basin type areas: Atalanta Planitia, Guinevere Planitia, and Lavinia Planitia. Venus also has two large highland areas Ishtar Terra in its northern hemisphere (about the size of Australia) and Aphrodite Terra running along its equator (about the size of South America). Inside Ishtar Terra are high plateaus, and Lakshmi Planum, which is home to some of the tallest mountains on Venus including the humongous Maxwell Montes. Much of Venus’ surface is covered by lava flows.
The composition of Venus is similar to that of the earth. It is sometimes called Earth’s “sister planet” because they are similar in size, gravity, and bulk composition – meaning rock. The rocky surface of the planet is largely volcanic, which would indicate it has a molten core, like Earth. A big difference between the two is in their atmospheres. Earth’s is primarily nitrogen, whereas Venus’ is mostly carbon dioxide and extremely is dense.
