Two NASA astronauts will fix the International Space Station's big robotic arm during a spacewalk on Tuesday (June 30), and you can watch the action live.
Chris Williams and Jessica Meir will perform a roughly 6.5-hour spacewalk outside the International Space Station (ISS) today, starting at about 8:35 a.m. EDT (1235 GMT).
You can watch it live via NASA; Space.com will air the stream as well, if the agency makes it available. Coverage will begin at 7:00 a.m. EDT (1100 GMT).
Williams and Meir will replace a 200-pound (90-kilogram) wrist joint, which malfunctioned "during normal Canadarm2 operations on May 27 after the arm drew elevated motor current and did not move as expected," NASA officials wrote in a June 22 spacewalk preview.
The spare joint was already on board the ISS, which has been continuously occupied by rot...
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