(ORDO NEWS) — Researchers from the Geological Society of America (GSA) have identified nine caves that they believe are the most habitable near the surface of Mars.
The Red Planet is not a resort, because the temperature on the surface of Mars can drop below minus 65 degrees Celsius, and the radiation background is 2.5 times higher than that on the International Space Station (ISS).
Therefore, scientists suggest that in order to colonize Mars, people will have to “return to the past”, that is, go back to the caves.
Researchers examining the huge collection of the Mars Global Cave Candidate Catalog, consisting of more than 1,000 caves discovered by the Mars Odyssey and Mars Reconnaissance Orbiter probes, came to the conclusion that some of them could become a home for astronauts.
The geologists sampled caves that were within 100 kilometers of a potential landing site and located close to a depression at least 1,000 meters deep (to give spacecraft more time to decelerate as they travel through Mars’ thin atmosphere).
Scientists have selected nine candidate caves that meet these criteria: in addition, they capture a large area under the surface of Mars and are distinguished by large entrance holes (about the size of a football field).
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