These three images of the dunes in the Libyan desert were provided by the European Space Agency’s Sentinel-2A mission.
The Sentinel family of missions are each based on a constellation of two satellites carry a range of technologies, such as radar and multi-spectral imaging instruments for land, ocean and atmospheric monitoring.
The datasets are provided to the Copernicus program, a global environmental monitoring program, designed to help cope with changes to the natural world.
Bill Condie
Bill Condie is a science journalist based in Adelaide, Australia.
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