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the claim

Humans can survive on Mars without a spacesuit.

the verdict
INSUFFICIENT LEANING
Recorded sources
0 sources for · 4 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that humans can survive on Mars without a spacesuit?

Unclear. Several sources indicate Mars has an unbreathable, extremely thin atmosphere and that humans would need a pressurized suit or prior terraforming to survive outdoors, but none directly settles whether a human could survive on Mars without a spacesuit.

Verdict: PARTIAL LEAN · 0 sources for, 4 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 4
How can an Astronaut survive for six days inside a Spacesuit?
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How can an Astronaut survive for six days inside a Spacesuit?. (n.d.). space.stackexchange.com. https://space.stackexchange.com/questions/39494

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More against · 3
Does Mars space suit have to be pressurized?
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Does Mars space suit have to be pressurized?. (n.d.). space.stackexchange.com. https://space.stackexchange.com/questions/715/does-mars-space-suit-have-to-be-pressurized

Can We Live on Mars?
2024
Get citation
Sparrow, G. (2024). Can We Live on Mars?. books.google.com. http://books.google.com/books?id=3-0jEQAAQBAJ&dq=Humans+can+survive+on+Mars+without+a+spacesuit.&hl=&as_pt=BOOKS&source=gbs_api

Mars as a Planet B?
2024
Get citation
Mars as a Planet B?. (2024). hal.science. https://doi.org/10.1007/978-3-031-66881-4_9

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held for human review16 Oct 2026
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