ISS

ISS (International Space Station) is a joint project of five space agencies and is currently the only inhabited space station.

The first part of the station, Zarya module, was delivered already in 1998 and since 2000 has permanently inhabited. Crews are six people, and every six months are renewed.

 orbits at an altitude of approximately 360 km above the earth. Its average speed is 27,720 km / h. (Planet Earth, orbiting every 92 minutes).