Time Lapse video made with nocturnal images taken by astronauts on board International Space Station (ISS) and dowloaded from the Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth."

This video was made by Physics students M. Ángeles López Cayuela and Guillermo Martín Martínez who are collaborating in the research on light pollution of GUAIX.