<ul><li>Saturn's rings could be billions of years old despite appearing young, a new study suggests.</li><li>Previous beliefs that the rings formed recently have been challenged.</li><li>The rings' clean appearance does not necessarily indicate a young age, as micrometeoroids wouldn't stick to them.</li><li>Computer simulations indicate that vaporized micrometeoroids may have left the rings clean, suggesting an older origin.</li></ul>

We might have been completely wrong about the origin of Saturn's rings, new study claims

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