International Space Station

The International Space Station (ISS) is a habitable satellite orbiting the Earth at between 330 and 435km (205 to 270 miles). The ISS was assembled in space. The first component was launched in 1998 and by 2011 159 components had been added, taking over 1,000 hours of work.The first resident crew of Expedition 1 arrived in the year 2000 and the ISS has been permanently manned since then, the longest continuous human presence in space.The ISS is a research laboratory conducting experiments in biology, physics, astronomy, meteorology and others.It is the largest artificial body in orbit and can be seen by the naked eye.Go to https://spotthestation.nasa.gov/ to check when the ISS will next pass over you. NASA will even email you a reminder