Prototype space station module inflated on NASA's second try

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NASA Expands Inflatable Habitat in Space for First Time

Astronauts aboard the International Space Station on Saturday inflated an experimental fabric module that may provide a less expensive and safer option for housing crews during long stays in space, a NASA TV broadcast showed.

Designed and built by privately owned Bigelow Aerospace, the Bigelow Expandable Activity Module, or BEAM, is the first inflatable habitat to be tested with astronauts in space.

Las Vegas-based Bigelow Aerospace previously flew two unmanned prototypes. Lightweight inflatables are far less costly to launch than traditional metal modules. They also may provide astronauts with better radiation protection.

NASA is looking at future inflatable modules to be used by crews on three-year missions to the planet Mars.

See photos of the new habitat:

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Experimental space habitat Bigelow Expandable Activity Module on ISS
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Prototype space station module inflated on NASA's second try
The unexpanded Bigelow Expandable Activity Module (BEAM) is seen attached to the Tranquility module on the International Space Station in this still image taken from NASA TV May 26, 2016. NASA called off an attempt to inflate an experimental habitat attached to the International Space Station after the fabric module failed to expand as planned on Thursday. NASA TV/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
The Bigelow Expandable Activity Module (BEAM) is seen during a media briefing at Bigelow Aerospace in Las Vegas, Nevada, January 16, 2013. Astronauts aboard the space station will inflate early on Thursday a prototype expandable module, which will be tested for two years as a possible habitat for crews on long-duration missions around the moon or to Mars. Bill Ingalls/NASA/File Photo/Handout via Reuters FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS
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Working from inside the space station, astronaut Jeff Williams began inflating BEAM shortly after 9 a.m. by opening a valve to release air into the module.

Williams told flight controllers he heard short popping sounds, which NASA commentator Dan Huot said were stitches inside the module ripping apart as designed when BEAM began to expand.

"That is good news," astronaut Jessica Meir radioed to Williams from Mission Control in Houston.

Over the next seven hours, Williams continued to feed bursts of air into BEAM until it gradually unfurled. Eight tanks of air inside the module then opened to fully inflate BEAM to the size of a small bedroom, a 10-fold increase in volume.

Williams and his crewmates will wait about a week before entering the module to install radiation, temperature and other sensors, NASA said.

An initial attempt to inflate BEAM on Thursday failed, most likely because of friction within the module's layers of fabric, foam and reinforced outer covering, NASA said.

"It's a learning process," Huot said. Everything will influence the design and operation of expandable habitats in the future."

NASA plans to keep BEAM attached to the station, a $100 billion research laboratory that flies about 250 miles (400 km) above Earth, for two years to see how it fares in the harsh environment of space.

Bigelow Aerospace aims to fly inflatable space modules 20 times larger than BEAM that can be leased out to companies and research organizations.

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