An archaeological strategy adapted for space used daily photos to reveal how astronauts actually use areas aboard the International Space Station -- and how this differs from intended uses.
Justin Walsh of Chapman University, California, and colleagues present these findings in the open-access journalMore than 270 people from 23 countries have visited the International Space Station over more than two decades. Crew member interviews can reveal how people adapt to a novel environment -- one featuring isolation, confinement, and microgravity -- that is far removed from the context in which humans evolved.
For their first direct work on the space station, the team adapted a traditional archaeological strategy known as the shovel test pit, in which small pits are dug at intervals across a site to assess artifact distribution and select areas for more extensive excavation. In this case, the archaeologists asked the ISS crew to document six locations around the station, and instead of digging pits, taking daily photos of each location for 60 days in 2022.
Cross-referencing the photos with astronaut activity reports, the researchers found that the area near the exercise equipment and latrine, while not designated for any particular purpose, had been used as storage for toiletries, resealable bags, and a rarely used computer. The equipment maintenance area was used primarily for storage, with little or no maintenance actually carried out there.
The authors add:"The experiment is the first archaeology ever to happen off of the planet Earth. By applying a very traditional method for sampling a site to a completely new kind of archaeological context, we show how the ISS crew uses different areas of the space station in ways that diverge from designs and mission plans. Architects and planners of future space stations can learn valuable lessons from this work.
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