is Jupiter believed to have any solid ground under all the gas clouds?

Answer 1

Planetary composition
Jupiter is composed of a relatively small rocky core, surrounded by metallic hydrogen, surrounded by liquid hydrogen, which is surrounded by gaseous hydrogen. There is no clear boundary or surface between these different phases of hydrogen; the conditions blend smoothly from gas to liquid as one descends.

http://en.wikipedia.org/wiki/Jupiter#Planetary_composition

wikipedia strikes again!

Answer 2

No, Jupiter is 90% Hydrogen and 10% Helium with traces of methane, ammonia, water and rock. It's gaseous atmosphere gets denser with depth until it becomes compressed into liquid metallic Hydrogen. Jupiter has a small rocky core of about 10 to 15 Earth masses.

Answer 3

Given Jupiter's size and mass, the gaseous atmosphere we observe must transition at some depth into a condensed phase and ultimately into a solid (probably solid hydrogen). We can only engage in informed speculation about the true nature of this substance, given our inability to sustain the densities and temperatures prevailing in Jupiter's core in the laboratory.

A rotating core of superheated solid hydrogen might explain Jupiter's collosal magnetic field.

Answer 4

I believe the general assumption is that Jupiter has a solid core. In fact, unless theories have since been revised, I think Jupiter's core is supposed to be a diamond the size of Earth. Pretty neat, eh?

Answer 5

I think Ag pretty much tied that answer up. It shouldn't have any solid (earthlike) surface, but the pressure density at its core likely liquifies and solidifies various gases. So in effect, it would have a hydrogen, ammonia, helium.. some gas... ice surface, but even then, who knows if it would have it consistently.

Edit:

Huh... did not know they'd changed their beliefs that it might have something solid there. Ya learn something everyday.

Answer 6

Jupiter is composed of a relatively small rocky core, surrounded by metallic hydrogen, surrounded by liquid hydrogen, which is surrounded by gaseous hydrogen. There is no clear boundary or surface between these different phases of hydrogen; the conditions blend smoothly from gas to liquid as one descends.

Answer 7

"Jupiter probably has a core of rocky material amounting to something like 10 to 15 Earth-masses."

Answer 8

Doubtful, although under so much pressure gas may solidify.

Answer 9

Perhaps a small core beneath a deep presseured ocean.
Then your answer is NO.

Answer 10

it's entirely possible the gasses solidified under pressure, but highly unlikely