... A Digital Sunset Over Europe and Africa . ... It is a digital composite of archived images taken over many orbits by several Earth-orbiting satellites. Similar images can be digitally stitched together for any Earth location by John Walker 's Earth and Moon Viewer website . Specifically, the daytime images were taken by the MODIS instrument on NASA's Terra satellite , while the nighttime images were taken by the DMSP satellites . ... Publications with keywords: sunset - Europe . ...