Saturday, October 12, 2019

NASA's Space to Ground: Extravehicular Marathon
Week of October 11, 2019 | NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.
Oct. 11, 2019: Expedition 61 Flight Engineers Christina Koch and Andrew Morgan of NASA concluded their spacewalk at the International Space Station at 2:23 p.m. EDT. During six-hour and 45-minute spacewalk, the two NASA astronauts continued the replacement of nickel-hydrogen batteries with newer, more powerful lithium-ion batteries on the far end of the station’s port truss.

Astronauts also were able to accomplish several get-ahead tasks setting up for the next spacewalk.

These new batteries provide an improved power capacity for operations with a lighter mass and a smaller volume than the nickel-hydrogen batteries. On Oct. 16, Morgan and NASA astronaut Jessica Meir are scheduled to venture outside for another spacewalk to continue the battery replacements on the first of the two power channels for the station’s far port truss. The following spacewalks dedicated to the battery upgrades are scheduled on Oct. 21 and 25.

After completion of the battery spacewalks, the second half of this sequence of spacewalks will focus on repairs to the space station’s Alpha Magnetic Spectrometer. Dates for those spacewalks still are being discussed, but they are expected to begin in November.

Space station crew members have conducted 220 spacewalks in support of assembly and maintenance of the orbiting laboratory. Spacewalkers have now spent a total of 57 days 13 hours and 12 minutes working outside the station.

Learn more about the important research being operated on Station:
https://www.nasa.gov/iss-science

For more information about STEM on Station:
https://www.nasa.gov/…/foreducat…/stem_on_station/index.html

Credit: NASA's Johnson Space Center (JSC)
Duration: 2 minutes, 21 seconds
Release Date: October 11, 2019


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