Spot the International Space Station

This widget provided by the National Aeronautics and Space Administration (NASA) lets you find out when the International Space Station (ISS) will be visible from your location. The ISS is the third brightest object in the sky. It looks like a fast-moving plane to the naked eye but flies at a much higher altitude (400 km) and a much faster speed (27,000 km/h). However, it is not always visible