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Spacewalk Photos: International Space Station Gets a Power Upgrade

Under the ISS, Over Earth

ESA/NASA

NASA astronaut Shane Kimbrough works outside the International Space Station during the spacewalk.

Pesquet in Space

ESA/NASA

Astronaut Thomas Pesquet holds on to the International Space Station in this photo taken by Russian cosmonaut Oleg Navitskiy, who was inside the station during the spacewalk.

Quest Airlock

ESA/NASA

The Quest airlock through which the astronauts exit and enter the space station is seen here in the top left

View of the ISS

ESA/NASA

In this view of the right side of the International Space Station, you can see the batteries that the spacewalkers switched out beneath the solar arrays

Welcome Back!

NASA

Peggy Whitson and Oleg Navitskiy assist as Pesquet returns from his spacewalk.

Last Glove Check

NASA

Peggy Whitson takes photos of the spacewalkers' gloves, which will later be closely examined by the ground team to check for damages incurred during the spacewalk.

Installing New Lithium-Ion Batteries

NASA

This diagram shows how the new lithium-ion batteries and adapter plates are configured with the old nickel-hydrogen batteries.

Before & After

NASA

This diagram shows the configuration of batteries and adapter plates before and after the spacewalk. Adapter plates were removed from the HTV-6 cargo craft and installed at the station's integrated electronics assembly (IEA) to complete the replacement of nickel-hydrogen batteries with lithium-ion batteries.

Mission Control

NASA

NASA's mission control in Houston monitored the spacewalk while helping to guide the astronauts through all their tasks.

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Hanneke Weitering

Hanneke Weitering is an editor at Space.com with 10 years of experience in science journalism. She has previously written for Scholastic Classroom Magazines, MedPage Today and The Joint Institute for Computational Sciences at Oak Ridge National Laboratory. After studying physics at the University of Tennessee in her hometown of Knoxville, she earned her graduate degree in Science, Health and Environmental Reporting (SHERP) from New York University. Hanneke joined the Space.com team in 2016 as a staff writer and producer, covering topics including spaceflight and astronomy. She currently lives in Seattle, home of the Space Needle, with her cat and two snakes. In her spare time Hanneke likes to explore the Rocky Mountains, basking in nature and looking for dark skies to gaze at the cosmos.