Satellite image reveals how Jabal Arkanū’s rings survived millions of years in the Sahara Desert

Stunning concentric rings in Libya's Sahara Desert, Jabal Arkanū, were formed by ancient volcanic activity and millions of years of erosion, not meteorite impacts. Captured from the International Space Station, these formations reveal Earth's internal dynamics and the remarkable persistence of geological structures in extreme arid climates, offering a unique window into our planet's history.

from Science News: Fresh Discoveries, Research & Breakthroughs https://ift.tt/yBjcSPQ
via