Dust Over Tibesti Mountains, Libya and Chad21.5N 18.1E
The Tibesti Mountains are a volcanic group of inactive volcanoes with one potentially active volcano in the central Sahara desert in the Bourkou-Ennedi-Tibesti Region of northern Chad. The northern slopes extend a short distance into southern Libya. Here, the usually dark brown slopes appear light tan in places due to a veil of airborn dust particles blown about from the surrounding desert. In the full image, a larger cloud of dust can be seen to the south.