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Sat, 25 Dec 2021 00:20:58 -0500 last edited: Wed, 29 Dec 2021 18:14:56 -0500

Mars's atmosphere is about 100 times thinner than Earth's. Without a "thermal blanket," Mars can't retain any heat energy. On average, the temperature on Mars is about minus 80 degrees Fahrenheit (minus 60 degrees Celsius). In winter, near the poles temperatures can get down to minus 195 degrees F (minus 125 degrees C). A summer day on Mars may get up to 70 degrees F (20 degrees C) near the equator, but at night the temperature can plummet to about minus 100 degrees F (minus 73 C).

https://www.space.com/16907-what-is-the-temperature-of-mars.html.

Mars human habitat