What Are The 9 Planets And Their Characteristics?
What Are The 9 Planets And Their Characteristics? Venus: Its surface is a brownish-yellow color because of its thick atmosphere which is composed of largely of sulfuric acid and CO2. Mars: It takes 687 days to revolve around the sun. Uranus: It rotates the sun in 84 years, its size is 51,118 kilometers in diameter.