Space Daily September 03, 2026 • 15:30

What winter means on Mars: temperatures can plunge to −130°C, carbon dioxide falls as snow or freezes directly onto the ground, as much as 16% of the atmosphere becomes part of the winter polar cap, and air pressure planet-wide swings by roughly 25% o - Space Daily

Mars winter can turn atmospheric carbon dioxide into snow and frost, shifting trillions of tonnes of gas into a polar cap and changing pressure across the planet.

Winter on Mars does not simply make an already cold planet colder. At the winter pole, the atmosphere itself begins to become part of the ground.
Carbon dioxide, which accounts for about 95 percent … [+9404 chars]

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What winter means on Mars: temperatures can plunge to −130°C, carbon dioxide falls as snow or freezes directly onto the ground, as much as 16% of the atmosphere becomes part of the winter polar cap, and air pressure planet-wide swings by roughly 25% o - Space Daily

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