Hidden craters reveal Earth may once have had a ring – like Saturn

By Andrew Tomkins, Geologist, Monash University

The rings of Saturn are some of the most famous and spectacular objects in the Solar System. Earth may once have had something similar.

In a paper published last week in Earth & Planetary Science Letters, my colleagues and I present evidence that Earth may have had a ring.

The existence of such a ring, forming around 466 million years ago and persisting for a few tens of millions of years, could explain several puzzles in our planet’s past.

The case for a ringed Earth

Around 466…

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