how many space stations are in orbit right now
A space station is a manned satellite designed to remain in low Earth orbit for a long period of time. In general, space stations have the ability for other spacecraft to dock to them. As of 2017, the International Space Station is the only operational manned space station currently in orbit. Previous stations include the Salyut and Almaz series, Skylab, and, most recently, Mir and Tiangong 1.