Jupiter
The planet that has 9 letters in its name is "Neptune." Neptune is the eighth and farthest known planet from the sun in our solar system. It is a gas giant with a blue color due to the presence of methane in its atmosphere.
Jupiter hasn't water; traces of water vapors exist only in the atmosphere of the planet.
Gas giants are planets whose atmosphere is predominantly composed of gases, such as hydrogen and helium. These planets have a small solid core surrounded by thick layers of gas. Examples of gas giants in our solar system include Jupiter and Saturn.
Pluto was a planet and is now considered a dwarf planet.
an animal whose skin is one inch thick
The planet Neptune's south pole is the current region facing toward the sun. As such it is the warmest part of Neptune featuring temperatures about ten degrees warmer than the rest of the planet whose average temperature is -200 Celsius.
Venus
Capillaries are one cell thick.
Earth
Mars.
Not in our solar system there isn't.
Mars.