Moving past the asteroid belt, we find massive worlds made mostly of hydrogen and helium gas with no true solid surfaces. About the Planets - NASA Science
These are the four planets closest to the Sun. They are made of rock and metal and have solid surfaces you could actually walk on. planet
: Earth's toxic twin. It is blanketed by a thick, heavy atmosphere of carbon dioxide that traps heat like a runaway greenhouse. This makes it the hottest planet in the solar system at a steady 900°F (475°C)—hot enough to melt lead. Moving past the asteroid belt, we find massive
: The rust-covered desert. Iron oxide (rust) in its soil gives it its signature reddish hue. It is home to Olympus Mons, a volcano three times taller than Mount Everest, and features massive dried-up riverbeds proving water once flowed there. ☁️ The Gas Giants : Earth's toxic twin
: The ultimate land of extremes. Because it has virtually no atmosphere to trap heat, daytime temperatures soar to a blistering 840°F (450°C), while nights plummet to a frozen -275°F (-170°C).