Citizen scientist Gerald Eichstädt processed data from NASA's Juno spacecraft to create this picture of a sliver of Jupiter. The view focuses on features in Jupiter's dark band that are nicknamed "Whale's Tail" and "Dan's Spot."
The Arecibo Observatory is an icon of astronomy. The giant radio telescope in Puerto Rico is the second-largest of its kind on Earth. See photos of Arecibo over the years in our gallery here.