Weather Blog Rings of Rock in the Sahara In southeastern Libya, Jabal Arkanū’s concentric rock rings stand as relics of past geologic forces that churned beneath the desert. Read More… About Author OTW Observer See author's posts Post navigation Previous Big Fronts and Flooding…Next Met Office verdict on London being drenched in ‘heavy rain’ over miserable 11 day forecast Related Stories NASA’s Psyche Mission Captures Mars During Gravity Assist Approach Weather Blog NASA’s Psyche Mission Captures Mars During Gravity Assist Approach May 8, 2026 Tracy Arm’s Post-Tsunami Landscape Weather Blog Tracy Arm’s Post-Tsunami Landscape May 8, 2026 NASA Sends Mars Helicopter Blades Beyond Mach 1 Weather Blog NASA Sends Mars Helicopter Blades Beyond Mach 1 May 7, 2026