Here's why:

* Three Layers of Clouds: Jupiter's atmosphere has three main cloud layers, all made of hydrogen compounds:

* Uppermost layer: Ammonium hydrosulfide (NH4SH) clouds, giving it a reddish-brown hue.

* Middle layer: Ammonium clouds (NH3), appearing white.

* Lowermost layer: Water clouds (H2O), likely forming deep in the atmosphere.

* Dense Hydrogen: Jupiter's atmosphere is primarily composed of hydrogen (H2) and helium (He), with trace amounts of other elements. The vast majority of the atmosphere is hydrogen.

While other gas giants like Saturn, Uranus, and Neptune also have multiple cloud layers, the specific combination of hydrogen-rich clouds described in your question is most characteristic of Jupiter.