NASA Is Using a Robot to Search for Leaks Outside the Space Station

Automated Spacewalks

NASA and Canadian Space Agency (CSA) scientists were just able to automate one of the dangerous jobs on the International Space Station, sending a robot out on spacewalks so humans don’t need to put themselves at risk.

Dextre, a CSA robot that looks like a multi-armed tower sticking to the side of the space station, recently checked the outside of the ISS for signs of leaks — specifically looking for ammonia that the space station uses as a coolant, according to a NASA press release. And now, with a newly-installed “robot hotel,” it’s far easier for the robot to do its job and keep the dangerous work out of human hands.

Traveling Hotel

On Tuesday, ISS astronauts installed the Robotic Tool Stowage (RiTS) unit that was first launched to space in December. NASA calls it a “robot hotel,” but it’s really more of a tool shed. In this case, it gives Dextre a place to store parts of RELL, its ammonia leak-detecting tools, on the exterior of the ISS where they’re easier to access.

“RELL is a great example [of] how robots with the right tools can simplify life for astronauts,” RiTS hardware manager Mark Neuman said in the release. “Dextre can use RELL to detect ammonia leaks, eliminating the need for astronauts to perform the same task during a spacewalk.”

Test Run

For now, the new tools like RiTS and RELL can help astronauts stay safe by automating riskier tasks, but NASA suspects that the same technology could help establish orbital habitats.

NASA has big plans for its Deep Space Gateway habitat, and finding ways to give robots all the hard work could help make it a reality.

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