Stefan Christmann/Wildlife Photographer of the Year
Filip Stedt / University of Gothenburg
NOAA GOES-West
Nima Sarikhani/Wildlife Photographer of the Year
The University of Kentucky via The Vesuvius Challenge/EduceLab
Paul Hennessy/SOPA Images/LightRocket via Getty Images
Harrison Schmitt/NASA
Getty Images
FrankRamspott/Getty Images
NASA / SwRI / MSSS / Jackie Branc