NASA Test Could Pave The Way For Future Space Habitats

NASA is preparing to launch an expandable capsule into space that could one day serve as a model for future extraterrestrial habitats.

The Bigelow Expandable Activity Module, or BEAM, will travel to the International Space Station early next month aboard a SpaceX Dragon rocket during a resupply mission. It'll be the first expandable habitat deployed on the ISS and will remain attached to the structure for two years.

Astronauts will only make four trips into BEAM, the longest being about three hours, Gizmodo reports. Its prime purpose will be to gather thermal, structural and durability readings to show if expandable capsules are well-suited for human habitation.

BEAM's svelte profile could prove optimal during future long-term, distant interplanetary missions where space will be at a premium. Once the structure is installed on the ISS, it'll slowly be filled with air and double in size to around 13-feet-long and 10.5 feet in diameter.

NASA could expand the two-year test up to five years, but once the mission is complete, BEAM will be detached to burn up in the Earth's atmosphere.

The space agency notes that before any potential mission to Mars, "several rockets filled with cargo and supplies" would precede any human departure. Once in place, the inflatable structures provide protection from cosmic radiation and space debris.

"Expandable modules, which are lower-mass and lower-volume systems than metal habitats, can increase the efficiency of cargo shipments, possibly reducing the number of launches needed and overall mission costs," the agency says in a description of the BEAM project.

The mission is the latest in a series of recent NASA moves to prepare for a proposed manned journey to Mars. Last year, the agency opened up applications for the "next class" of astronaut candidates who could very well be part of an excursion to the red planet. More than 18,000 people applied.

The upcoming resupply launch is currently scheduled for 4:43 p.m. Eastern Time on April 8.

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