Month: March 2013

Jebel Uweinat

Where the borders of Egypt, Sudan, and Libya meet, a rugged mountain complex rises from the Sahara. The peaks of Jebel Uweinat reach elevations about 2,000 meters (7,000 feet) above sea level. Geologists exploring Jebel Uweinat have found rock layers that are hundreds of millions of years old, preserving traces of landscapes that were very different from the bone-dry environment that prevails here today. Read More

Snow in the Northeastern United States

Snow cover sprawled across the northeastern United States in early March 2013. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this natural-color image on March 9. Snow cover stretched from West Virginia into Canada, and from the western shore of Lake Ontario to the Atlantic Ocean. Read more