Skip to main content

Watch NASA’s new solar array unfurl on the space station

A new rollout solar array on the ISS.
A view of the new rollout solar array unfolding after NASA astronauts Steve Bowen and Woody Hoburg successfully installed it to the 1B power channel on June 15, 2023. NASA TV

Two NASA astronauts completed a successful spacewalk at the International Space Station on Thursday.

Woody Hoburg and Steve Bowen ended their extravehicular activity at 2:17 p.m. ET after spending 5 hours and 35 minutes working on the outside of the orbital outpost.

Recommended Videos

The pair accomplished the mission’s main goal, which was to install an IROSA (International Space Station rollout solar array) designed to boost power generation on the Earth-orbiting satellite.

NASA lives streamed the entire spacewalk and later released footage of the array slowly unfurling on the space station about 250 miles above Earth.

The roll-out solar array installed earlier today by @NASA_Astronauts Steve Bowen and @Astro_Woody unfolds as Earth glows in the background. When fully unrolled, it will span 60 feet long by 20 feet wide. Watch live… https://t.co/cBNqC5Ke07 pic.twitter.com/DRaNzqrqFw

— International Space Station (@Space_Station) June 15, 2023

“The new array is 60 feet long by 20 feet wide (18.2 meters by 6 meters) and is shading a little more than half of the original array, which is 112 feet long by 39 feet wide,” NASA said in a report on Thursday’s spacewalk. “Each new IROSA produces more than 20 kilowatts of electricity and together enable a 30% increase in power production over the station’s current arrays.”

The work on upgrading the station’s power supply has been going on for several years and is still not complete, with additional arrays scheduled to be delivered and installed in 2025.

This week’s excursion was the 265th spacewalk in support of space station assembly, upgrades, and maintenance, NASA said.

It was the second spacewalk for Hoburg following his first one earlier this month, which the 37-year-old American described as “an incredible life experience.”

For Bowen, however, it was his 10th such activity, enabling him to share the record for the most spacewalks by a U.S. astronaut with Mike Lopez-Alegria, Bob Behnken, Peggy Whitson, and Chris Cassidy.

Astronauts began staying on the space station in 2000, and since then, it has been constantly inhabited by rotating crews. Despite the current power upgrades, the aging facility is likely to be decommissioned in 2031, though astronauts will continue to live and work in low-Earth orbit by staying aboard new, privately funded stations.

Trevor Mogg
Contributing Editor
Not so many moons ago, Trevor moved from one tea-loving island nation that drives on the left (Britain) to another (Japan)…
Crew Dragon is about to fly with empty seats for the first time. Here’s why
A Falcon 9 rocket launches from California.

NASA and SpaceX are making final preparations for the Crew-9 astronaut flight to the International Space Station (ISS), which is set to launch from the Kennedy Space Center in Florida on Thursday, September 26.

But this will be the first of SpaceX’s 13 crewed flights to the ISS since the first one in 2020 where there will be two empty seats on the Crew Dragon spacecraft. And there’s a very good reason for that. Let us explain.

Read more
How to watch SpaceX’s first-ever spacewalk from a Crew Dragon
The Polaris Dawn Crew Dragon spacecraft as it will look in orbit.

[UPDATE: The spacewalk will begin a little later than originally planned, and the live stream will now start at 4:55 a.m. ET.]

Two non-professional astronauts are about to conduct the first-ever spacewalk from a Crew Dragon spacecraft and also the first-ever commercial spacewalk.

Read more
How to watch NASA’s oldest active astronaut launch to the ISS on Wednesday
NASA astronaut Don Pettit.

NASA Astronaut Don Pettit Soyuz MS-26 Launch

Don Pettit isn't your average senior citizen. Instead of enjoying life in the slow lane, he's getting ready for a rocket ride to the International Space Station (ISS) on Wednesday.

Read more