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NASA astronauts perform spacewalk

The following excerpt is from an article that originally appeared on The Horn News

Spacewalking astronauts provided some necessary focus to the International Space Station’s robot arm on Friday.

Astronaut Joe Acaba unbolted a blurry camera from a new robotic hand installed two weeks ago. He then popped in a spare, which flight controllers quickly tested from Houston. The replacement provided crisp, clear views.

Sharp focus is essential when the space station’s robot hand grabs an arriving supply ship and anchors it. The next delivery is a few weeks away, prompting the quick camera swap-out.

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Orbital ATK, one of NASA’s commercial shippers, plans to launch a cargo ship from Virginia on Nov. 11.

Acaba and the station’s commander, Randy Bresnik, were supposed to go spacewalking earlier this week. But NASA needed extra time to add the camera repair to their chores.

This was the third spacewalk in two weeks for the space

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