Another manned mission to the module is planned later this year. Possible future missions could include sending a man to the moon.
The Tiangong 1, which was launched last year, is due to be replaced by a permanent space station around 2020. That station is to weigh about 60 tons, slightly smaller than NASA's Skylab of the 1970s and about one-sixth the size of the 16-nation International Space Station.
1) Enter His Email Address 2) See Hidden Pics & Social Profiles Now!