NASA astronauts reveal the fourth gradient solar array during a spacewalk outside the space station

The International Space Station (ISS) has a new fourth solar array thanks to the work of two NASA astronauts on a seven-hour spaceflight.

Frank Rubio and Josh Casada, both flight engineers on the space station’s Expedition 68 crew, ventured back outside the orbital complex on Thursday (December 22) to install the ISS Roll-Out Solar Array (iROSA) system to augment the station’s power supply. . The spacewalk was almost a repeat of the extravehicular activity (EVA) that Rubio and Casada did nearly three weeks ago, but this time it focused only on an energy conduit located on the port side gear.


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