Science & Environment

Martian polar crater ice shifts with seasonal frost

Source: Phys.org - latest science and technology news stories · Published

Martian polar crater ice shifts with seasonal frost
Source: Phys.org - latest science and technology news stories

Mars shares many landforms and weather patterns with Earth, including changing seasons, volcanoes, canyons, dust storms, dust devils and water ice. Another feature that Earth and Mars share is polar ice caps. These are among each planet's striking features, but the major differen

Mars shares many landforms and weather patterns with Earth, including changing seasons, volcanoes, canyons, dust storms, dust devils and water ice. Another feature that Earth and Mars share is polar ice caps. These are among each planet's striking features, but the major difference is that Earth's polar ice caps are both composed of water, while Mars' north polar ice cap is composed only of water and its southern polar ice cap is carbon dioxide.

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Rare meteorite from Mars gives us a view into its ancient crust
Technology & AI

Rare meteorite from Mars gives us a view into its ancient crust

Crater counts tell us that most of the Martian surface is more than 3 billion years old, but pieces of Mars we have on Earth tell a different story. The three main classes of Martian meteorites—shergottites, nakhlites, and chassignites—are all 2.4 billion years old or younger. Un

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