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Inflatable space stations could orbit the Earth by 2020
The latest SpaceX launch ferried not just supplies for the ISS, but also an inflatable module designed to add a small living room on the space station. That module was made by Bigelow Aerospace, which has just announced that it teamed up with United Launch Alliance to send its much, much bigger inflatable stations called B330 to Low Earth Orbit. One B330 can add a 330-cubic-meter (or 12,000-cubic-foot) living space to the ISS -- that's 30 percent of its total size, whereas the model that piggybacked on Falcon 9 can only expand the station by five percent.
