Venus Could Have Supported Life for Billions of Years Possible signs of life found on Venus

Venus is nearly identical to Earth in size, making it one of our most similar neighbors in the solar system. With a mean radius of about 3, 760 miles or 6, 052 kilometers, it s approximately 95 percent the size of Earth. Its mass, approximately 4. 867 x 1024 kilograms, is about 81. 5 percent that of Earth. This similarity in mass and size means that Venus also has a comparable density to Earth, approximately 5. 24 grams per cubic centimeter, implying a similar rockiron composition. Venus and Earth have a comparable structure: a central iron core surrounded by a rocky mantle and a thin crust. , space, universe, cosmos, sciencefacts