Saturn’s Rings May Be as Old as the Planet, Study Suggests
New research challenges previous estimates, proposing that Saturn's iconic rings could date back 4.5 billion years to the planet's formation.
- Scientists previously believed Saturn's rings were only 100 to 400 million years old due to their clean appearance, as observed by NASA's Cassini spacecraft.
- New computer modeling indicates that micrometeoroid impacts vaporize debris, preventing significant darkening of the rings over billions of years.
- The study suggests that the rings' resistance to pollution could mean they are as old as Saturn, dating back 4.5 billion years.
- Researchers propose that the chaotic early solar system may have provided the conditions for the rings' formation near Saturn's birth.
- Further research, including laboratory experiments and future planetary missions, is needed to refine the age and understand the origins of Saturn's rings.