what are saturn's rings made of

3 hours ago 2
Nature

Saturn's rings are primarily made of billions (or even trillions) of small particles composed almost entirely of water ice, mixed with some rocky material and dust. These particles vary greatly in size, ranging from tiny grains smaller than a grain of sand to chunks as large as mountains or houses

. The rings are thought to be remnants of comets, asteroids, or shattered moons that were torn apart by Saturn's strong gravitational forces before they could reach the planet

. Recent research suggests that the rings may have formed relatively recently, possibly from the collision of two icy moons a few hundred million years ago, rather than being as old as Saturn itself

. In addition to water ice and rock, the rings also contain trace amounts of other chemicals such as methane, ammonia, carbon monoxide, molecular nitrogen, and carbon dioxide, indicating some chemical complexity within the ring material

. The rings are very thin, about 10 meters (30 feet) thick, and are organized into multiple main rings and numerous ringlets, with gaps caused by gravitational interactions with Saturn's moons

. In summary, Saturn's rings are made mostly of water ice particles mixed with rock and dust, originating from the breakup of larger bodies like moons or comets, and they may be much younger than the planet itself