... Credit Copyright: NASA ; Acknowledgement: Infinity Imagined Explanation: Have you ever dreamed of flying high above the Earth? Astronauts visiting the International Space Station do this every day, circling our restless planet twice every three hours. ... Publications with keywords: Earth - international space station - ISS . Publications with words: Earth - international space station - ISS . ... International Space Station Transits Saturn . ... Assembly of The International Space Station . ...