The research reveals that 466 million years ago, Earth boasted a ring system resembling those of Jupiter and Saturn, during a climate shift known as the Hirnantian Icehouse.
Astronomers of the Ordovician Period would have witnessed not only a ringed Earth but also a significant extinction event, impacting the thriving marine biodiversity.
Despite a global deep freeze leading to plummeting average temperatures, life flourished in Earth's oceans, a testament to the resilience of early vertebrates and invertebrates.
The Ordovician Impact Spike, lasting 40 million years, marked a time of meteor collisions that contributed to geological changes, with evidence mostly found in ancient limestone deposits.
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