article_snippet.sent: Construction of the ISS began on 20 November 1998.
article_snippet.sent: the space station orbits at a height of about 255 miles (410km).
article_snippet.sent: the space station has a total mass of about 990,000 pounds (450,000kg) and has living space roughly equivalent to a five-bedroom house.
article_snippet.sent: the space station completes an orbit of Earth every 92.91 minutes and moves at 17,100 miles (27,600km) per hour.
article_snippet.sent: The International Space Station is a habitable artificial satellite in low earth orbit.
article_snippet.sent: The International Space Station is now the largest artificial body in orbit, since The International Space Station first component was launched in 1998, and is often visible to the naked eye from earth.