You are looking at the largest selfie ever taken. Members of the team behind NASA’s Cassini spacecraft mission collected more than 1,400 images of people waving at Saturn, as part of “a tribute to the people of Earth.” The images were first taken on the same day this photo—of Earth as a tiny blue dot in the shadow of Saturn’s rings—was captured on July 19. If you look closely, you will notice that nearly the entire population of planet earth is making a duck face …