Inside Earth's Saturn-like Ancient Rings

We're experimenting and would love to hear from you!In this episode of Discover Daily, we explore a remarkable theory suggesting that Earth had a spectacular ring system, similar to Saturn's, around 466 million years ago during the Ordovician period. The study, published in Earth and Planetary Science Letters, presents evidence that a large asteroid passed within Earth's Roche limit, tidally disrupting and forming a debris ring that caused the anomalous concentration of impact craters a...