A Cosmic Ray Event Pinpoints the Viking Landing in Canada

The celestial storm produced carbon-14 atoms found in the rings of a tree felled by Norse explorers, proving they made it to North America 1,000 years ago.

A Cosmic Ray Event Pinpoints the Viking Landing in Canada
The celestial storm produced carbon-14 atoms found in the rings of a tree felled by Norse explorers, proving they made it to North America 1,000 years ago.