Natural History Wanderings

EarthSky reported

Ring systems are common in our solar system. Saturn, Jupiter, Uranus, Neptune and even some dwarf planets and asteroids have rings. Earth, sadly, does not. But it might have in the past. That’s what researchers at Monash University in Australia said on September 16, 2024. Their study of asteroid impact craters from 466 million years ago – during the middle Ordovician Period – shows Earth may have had its own ring system.

Read more at Earth did once have its own rings, according to a new study, some 466 million years ago.