This theory differs from a previous suggestion that extreme pressure and temperature conditions deep in the interiors of Uranus and Neptune could lead to the formation of diamonds that "rain ...

SLAC scientist Mungo Frost, who spearheaded the research, explained the significance of diamond rain, noting its potential to influence the internal dynamics and composition of Neptune and Uranus.

Scientists have speculated for years that diamonds are abundant in the cores of the smaller, cooler gas giants, Neptune and Uranus ... they determined that diamond rain is very likely.