"Studies predict Jupiter's upper atmosphere has clouds consisting of ammonia, ammonium hydrosulfide, and water," NASA said. "Still, scientists don't know exactly how or even whether these ...

Simulations conducted by Patrick Irwin's team at the University of Oxford confirm that Jupiter's clouds are actually primarily composed of ammonium hydrosulfide mixed with "smog" particles. These ...

Image of Jupiter taken by NASA's Juno spacecraft ... clouds at different altitudes and made up mainly of ammonia ice, ammonium hydrosulfide and water.

Jupiter’s atmosphere, primarily hydrogen and helium, contains condensable gases such as ammonia, water vapor, and ammonium hydrosulfide. At lower temperatures, these gases were thought to form ...