Secrets of the Sahara, hidden by sand, are revealed by the piercing eyes of radar. Probing the sand
Secrets of the Sahara, hidden by sand, are revealed by the piercing eyes of radar. Probing the sand to a depth of 6 meters (20 feet), the space shuttle’s radar, developed by scientists at the Jet Propulsion Laboratory (JPL), literally fills in the space between the lines to reveal ancient topographical features in the northwestern Sudan, 1981. NASA/JPL -- source link
#space shuttle#observation#sahara#columbia