
New research has suggested that Saturn's rings may be much older than previously believed, possibly as old as the planet itself. While it was commonly thought that the rings were around 400 million years old, a recent study led by a Japanese team proposes that they could be as ancient as 4.5 billion years, aligning with Saturn's age.
The researchers speculate that Saturn's rings may appear pristine not because of their youth, but due to their resistance to dirt and debris. Previous estimates of the rings' age were based on observations from NASA's Cassini spacecraft, which operated for over a decade before its mission ended in 2017.