The International Space Station orbits at an altitude of 350 km above Earth's surface.
The International Space Station (ISS) is a research facility currently being assembled in outer space, the on-orbit construction of which began in 1998. The space station is in a Low Earth Orbit and can be seen from Earth with the naked eye; it orbits at an altitude of approximately 350 km (190 nautical miles) above the surface of the Earth, and travels at an average speed of 27,700 kilometres (17,210 mi) per hour, completing 15.7 orbits per day.
Read the full article
