3 Astronauts Settle Into Their New Life In Orbit On The International Space Station This Week Dec. 1
The newly arrived and soon-to-depart crew members of Expedition 73 prepared for what is to come next during this, their final week all together aboard the International Space Station, Dec. 1-5, 2025.
Orbital observation
“Last night, I went to bed early and woke up once in the middle of the night to film a video of the Japanese archipelago,” Yuiposted to social media. “Even from space, it looked very cold.”
“There were many areas where it seemed to be snowing or places where it had snowed afterward, and while it looked beautiful from space, I became a little worried when I thought about all of you,” he wrote.
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In the foreground are Northrop Grumman’sCygnus XL cargo shipthe S.S. William C. “Willie” McCool (at right) and the newly dockedSoyuz MS-28 spacecraft.
Science status
Among the research that was conducted by the Expedition 73 crew aboard the space station this week was:
CIPHER— Zena Cardman and Jonny Kim of NASA collected samples of Cardman’s blood, tested her cognition and measured her exercise, all as activities under the CIPHER human research study tracking astronauts’ health before, during and after a spaceflight. Afterward, Cardman used a centrifuge to prepare them for being placed inside a science freezer for future analysis.
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Astrobee— Scientists onEarthworking with astronauts on the space station like Kim, assessed robotic free-flying assistants called “Astrobee” to enable astronauts to conduct research.
Station keeping
The Expedition 73 crew also devoted time to maintaining the space station’s systems, including:
New Crew Member Orientation— Having just arrived at the space station the week before, NASA astronaut Chris Williams attended an orientation session, of sorts, as fellow NASA astronaut Mike Fincke and Kimiya Yui of JAXA took turns bringing Williams up to speed about life on orbit. Fincke and Yui familiarized Williams with space station hardware, operations and systems.
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‘Closet’ inventory— Oleg Platonov, a flight engineer with the Russian space agencyRoscosmosspent the first part of his shift documenting the location and amount of clothing and towels remaining in the Russian segment of the space station.
Zero Boil-Off Tank Noncondensables— Flight Engineer Mike Fincke changed out the cameras inside a microgravity science glovebox to photograph how cryogenic fluids behave inmicrogravityto improve the design of spacecraft fuel tanks.
Astronaut activity
As part of their work maintaining the systems aboard the International Space Station, NASA astronauts Jonny Kim and Chris Williams spent this week cleaning and inspecting the European Exploration Exercise Device (E4D) after its installation in theEuropean Space Agency‘s (ESA) Columbus laboratory.
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According to NASA, the E4D is being tested for its ability to provide bicycling, rowing and resistance exercises to protect crew members’ muscles, bones and heart health in microgravity.
By the numbers
As of Friday (Dec. 5), there are10 peopleaboard the International Space Station: Expedition 73 commander Sergey Ryzhikov and Oleg Platonov, Sergey Kud-Sverchkov, Sergey Mikaev and Alexey Zubritsky ofRoscosmos; NASA astronauts Zena Cardman, Mike Fincke, Jonny Kim and Chris Williams and JAXA (the Japan Aerospace Exploration Agency) astronaut Kimiya Yui, all flight engineers.
There arethree docked crew spacecraft:SpaceX‘s Dragon “Endeavour” attached to the space-facing port of the Harmony module, Roscosmos’ Soyuz MS-27 attached to the Earth-facing port of the Prichal node and Soyuz MS-28 attached to the Earth-facing port of the Rassvet module.
There arefour cargo spacecraft: Roscosmos’ Progress MS-31 (92P) docked to the space-facing port of the Poisk module, Progress MS-32 (93P) attached to the aft port of the Zvezda service module, Northrop Grumman’s Cygnus XL, the S.S. William C. “Willie” McCool, berthed to the Earth-facing common berthing mechanism (CBM) on the Unity node and Japan’sHTV-X1attached to the Earth-facing CBM on the Harmony node.
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As of Friday, the space station has been continuously crewed for25 years, 1 month and 3 days.
Disclaimer: This news article has been republished exactly as it appeared on its original source, without any modification. We do not take any responsibility for its content, which remains solely the responsibility of the original publisher.
Author:[email protected] (Robert Z. Pearlman)
Published on:2025-12-06 03:00:00
Source: www.space.com
Disclaimer: This news article has been republished exactly as it appeared on its original source, without any modification.
We do not take any responsibility for its content, which remains solely the responsibility of the original publisher.
Author: uaetodaynews
Published on: 2025-12-05 23:11:00
Source: uaetodaynews.com
