Spacewalk with NASA astronauts to the ISS

NASA has released video footage of a spacewalk to the International Space Station.

American astronauts Josh Cassada and Frank Rubio were tasked with installing two new solar arrays, a collection of solar panels, in a seven-hour operation.

The array was delivered by SpaceX's Dragon freighter on Nov. 27 and will power the ISS with up to 30% more power, generating a total of 120,000 watts of power during the orbital day, according to NASA.

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