Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...
The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...
A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...
To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician ...
Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite ...
The hypothetical ring didn't last long, cosmically speaking – just a few tens of millions of years. But that was long enough ...
New research challenges what we know of our planet’s ancient past, suggesting that a ring formed around the Earth around 466 ...