Jupiter is mostly made out of hydrogen .You will need a rope, and an air tank. Jupiter’s water is thought to reside in the atmosphere. It’s concentrations is very low. The atmosphere of Jupiter transitions into the liquid interior. The atmosphere contains cyclones, storms, and lightning. The largest two spots are the "Great Red Spot" and oval BA. Jupiter has the most powerful storms, always uncomplained by lightning strikes. Jupiter is thought to consist of a dense core a surrounding layer of liquid and an outer layer and gas hydrogen. There is still considerable uncertainty. The core is often described as rocky. Jupiter’s weather on top is 145 celcius you will need a cold resistant suit. As you get in the middle it will get hotter and it will get about 9,700 degrees, you will need a hot resistant suit.