This makes it hotter than Mercury reaching temperatures up to 482 degrees Celsius. It takes Venus two hundred and forty-three Earth days to travel around the sun. Over eighty percent of Venus' surface is covered with planes and volcanoes. Scientist have mapped over fifteen hundred volcanoes on Venus with diameters of twenty kilometers are greater. It takes three hundred and sixty-five days to orbit around the sun.
Earth is the only planet with known harbor life.
Scientist once believed Mars had life, but soil testing showed that it did not. Rapid spin and a molten nickel iron core shields us from radiation of stars and the sun. The atmosphere protects us from meteors because they will burn up before the crash into the earth's surface. The sun is 149,600,000 miles away from the sun. MARS Mars is the fourth planet from the sun.