Spacewalkers Installing Solar Array Live on NASA TV

Astronaut Stephen Bowen is pictured exiting the space station's Quest airlock and beginning a spacewalk on April 28, 2023.
Astronaut Stephen Bowen is pictured exiting the space station’s Quest airlock and beginning a spacewalk on April 28, 2023.

NASA Television coverage of today’s spacewalk with NASA astronauts Steve Bowen and Woody Hoburg is now underway and is also available on the NASA app, the space station blog and the agency’s website.

The crew members of Expedition 69 are preparing to exit the International Space Station‘s Quest airlock for a spacewalk expected to begin about 9:15 a.m. EDT and last about seven hours.

Bowen and Hoburg will install an IROSA (International Space Station Roll-Out Solar Array) to augment power generation for the 1A power channel on the station’s starboard truss structure.

The new arrays are 60 feet long by 20 feet wide (18.2 meters by 6 meters) and will shade a little more than half of the original arrays, which are 112 feet long by 39 feet wide. Each new IROSA will produce more than 20 kilowatts of electricity, and once all are installed, will enable a 30% increase in power production over the station’s current arrays.

Bowen will serve as extravehicular crew member 1 (EV 1) and will wear a suit with red stripes. Hoburg will serve as extravehicular crew member 2 (EV 2) and will wear the unmarked suit. The spacewalk will be the ninth for Bowen and the first for Hoburg.

Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

Get weekly video highlights at: https://roundupreads.jsc.nasa.gov/videoupdate/

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