On the 50th anniversary of Earth Day, TIME revisits the story behind Earthrise, one of the 100 most influential images of all time. https://ti.me/3eLCwdq | TIME

Moon Crossing Face of Earth A NASA camera aboard the Deep Space Climate Observatory (DSCOVR) satellite captured a unique view of the moon as it moved in front of the sunlit side of Earth last month. The series of test images shows the fully illuminated “dark side” of the moon that is never visible from Earth. The images were captured by NASA’s Earth Polychromatic Imaging Camera (EPIC), a four megapixel CCD camera and telescope on the DSCOVR satellite orbiting 1 million miles from Earth. From its