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Fossil Fjords in Namibia

Ice that carved a network of valleys 300 million years ago has long since disappeared, but the original shapes of the valleys remain.


NASA Earth Observatory image by Joshua Stevens, using topographic data from the Shuttle Radar Topography Mission (SRTM) and information from Dietrich, P. et al. (2021). Photo by Pierre Dietrich/University of Rennes. Story by Kathryn Hansen.

Published September 14, 2021

Sources:
Photograph
Space Shuttle > SRTM