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NASA Johnson
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iss061e006843
iss061e006843

NASA astronauts Jessica Meir (left) and Christina Koch (right) to prepare to leave the hatch of the International Space Station and begin the historic first-ever all-female spacewalk.

The astronauts replaced a faulty battery charge discharge unit (BCDU) that failed to activate following the Oct. 11 installation of new lithium ion batteries on the space station's exterior structure. The BCDUs regulate the amount of charge put into the batteries that collect energy from the station's solar arrays to power station systems during periods when the station orbits during nighttime passes around Earth. Though the BCDU failure has not impacted station operations or crew safety, it does prevent the new batteries from providing increased station power.

Attribution Noncommercial No Derivative Works Some rights reserved
Taken on: October 18, 2019
Sets appears in:   • Expedition 61    • Astronaut Christina Koch    more » • Astronaut Jessica Meir    « less
Camera: Nikon D5, f/9.0, 1/60 sec, 25mm, ISO 400 (more info) (hide info)
Camera: Nikon D5
Lens: 17.0-35.0 mm f/2.8
Aperture: f/9.0
Exposure Time: 0.017 sec (1/60)
Focal Length: 25mm
ISO: 400
Exposure Bias: -1/3 EV
Flash: On, Return detected
Exposure Program: Aperture-priority AE
Exposure Mode: Auto
Metering Mode: Multi-segment
White Balance: Auto
Sharpness: Hard
Color Space: sRGB
Software: Adobe Photoshop CC 2018 (Windows)
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iss061e006843

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