Pluto, Feathered Dinos, And Other Amazing Images Of The Week

Plus the pentaquark
With as punishing as the Sahara Desert is, satellites are probably the best way to study it. The European Space Agency's Sentinel 2A satellite captured this image in the Ghardaïa Province of Algeria, which can help scientists study desert evolution and climate change. You can see a large sand dune in the center of the photo and a line on the left that was once part of the trans-Saharan trade route. ESA