NASA, for the time being, is unable to move the space station's large robotic arm
Summary
The Canadarm2, a large robotic arm on the International Space Station, stopped moving after a recent operation. NASA is investigating whether the problem is caused by software, data, or hardware issues, as the arm has been working well beyond its original 15-year design life.Key Facts
- The Canadarm2 is a 58-foot-long robotic arm supplied by the Canadian Space Agency.
- It was launched to the space station in April 2001 and has operated for over 20 years, longer than its planned 15-year lifespan.
- The arm moves along the station like an inchworm using a mobile transporter on the main truss.
- During a recent "walk-off" maneuver, the arm and transporter stopped moving.
- NASA is currently investigating if the issue is software-related or hardware-related.
- The arm is used to capture supply spacecraft that cannot dock on their own, such as Northrop’s Cygnus and Japan’s HTV-X.
- Modern cargo and crew vehicles like SpaceX’s Dragon and Boeing’s Starliner dock automatically without the arm.
- Losing the arm would make station operations harder and could affect cargo deliveries, especially as some vehicles that rely on it might be retired soon.
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