Round + Red
The gas giant has no firm surface to touch down on. It’s composed almost entirely of hydrogen and helium ,. Jupiter is made up and of hydrogen. Traveling from the outermost edges of jupiter toward it is center, pressure and temperature goes up. Jupiter boasts an enormous supply of hydrogen and helium that make it the most massive planet  in the solar system. The surface of the planet, or the bottom of the atmosphere, is the point where scientists have calculated that the atmospheric pressure is equal one bar, the same as found at the surface of Earth. As u move higher in the troposphere, the temperature drops, ranging from minus 260 fahrenheit and to miun 150 F. Temperatures rise to approximately 1,340 F (725C). Space suit, water,sandwich, clothing, and oxygen.