Assertion: space station | /r/HasProperty | built
Facets:
Source sentences:
text: For now, no space station suitable for long-term human residence has ever been built, since the current launch costs for even a small station are not economically or politically viable.
text: A space station is a platform or facility built for use such as habitation, research or defense in a planetary orbit or deep space.
text: Past stations include Almas and Salyut series, Skylab, Mir and Tiangong-1. Space Station has been built so that scientists can work in space for a long time.