NASA Astronaut Reid Wiseman aboard the ISS: “SpaceVine timelapse - @astro_alex (ESA astronaut Alexander Gerst) worked the arm and I pushed the “so long” button on Cygnus.”
Credit: Reid Wiseman/NASA
This is perhaps one of my all-time favourite videos/gifs. It shows how gracefully space flying is, and how Cygnus’ orbit takes it away from the space station. Complex orbital mechanics demonstrated beautifully.