what planet is closest to earth
Save. Venus is the closest planet to Earth and second closest to the sun. It was named after the Roman goddess of love and is often referred to as Earth's sister planet because of their similar size and composition.The atmosphere of Venus is filled with clouds of carbon dioxide and the surface is a dry desert.ave. Venus is the closest planet to Earth and second closest to the sun. It was named after the Roman goddess of love and is often referred to as Earth's sister planet because of their similar size and composition.