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June 2, 2021 07:00 am

Space Debris Has Hit and Damaged the International Space Station

Obipale shares a report from ScienceAlert: The inevitable has occurred. A piece of space debris too small to be tracked has hit and damaged part of the International Space Station -- namely, the Canadarm2 robotic arm. The instrument is still operational, but the object punctured the thermal blanket and damaged the boom beneath. It's a sobering reminder that the low-Earth orbit's space junk problem is a ticking time bomb. Canadarm2 -- formally known as the Space Station Remote Manipulator System (SSRMS), designed by the Canadian Space Agency -- has been a fixture on the space station for 20 years. It's a multi-jointed titanium robotic arm that can assist with maneuvering objects outside the ISS, including cargo shuttles, and performing station maintenance. It's unclear exactly when the impact occurred. The damage was first noticed on 12 May, during a routine inspection. NASA and the CSA worked together to take detailed images of and assess the damage. "Despite the impact, results of the ongoing analysis indicate that the arm's performance remains unaffected," the CSA wrote in a blog post. "The damage is limited to a small section of the arm boom and thermal blanket. Canadarm2 is continuing to conduct its planned operations." Robotics operations on the ISS using the Canadarm2 will continue as planned for the near future, the CSA said. But both space agencies will continue to gather data in order to perform an analysis of the event, both to understand how it occurred, and to assess future risk.

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