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27 lis 2024 · If subterranean aquifers of liquid water do exist on Mars, Karunatillake recommends ground-penetrating radar campaigns focusing on areas where there is evidence for ancient water-bearing aquifer-driven floods.
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7 paź 2024 · NASA’s Curiosity rover, currently exploring Gale Crater on Mars, is providing new details about how the ancient Martian climate went from potentially suitable for life — with evidence for widespread liquid water on the surface — to a surface that is inhospitable to terrestrial life as we know it.
It is possible that liquid water could also exist on the surface of Mars through the formation of brines suggested by the abundance of hydrated salts. [227] [228] Brines are significant on Mars because they can stabilize liquid water at lower temperatures than pure water on its own.
26 lis 2024 · The discovery would provide strong evidence that liquid water once flowed on the Red Planet. Such carbonates might also harbor the fossils of ancient Martian bacteria. Carbonates are rocks and minerals which contain a molecule made of both carbon and oxygen known as CO32-.
8 lis 2024 · Huge shells of frozen carbon dioxide at Mars' south polar cap resulted in subsurface meltwater, which fed a huge system of rivers, lakes and even a sea, a new study suggests.
27 cze 2022 · Although the surface of Mars is inhospitable for life now, there is evidence that billions of years ago the climate was more Earth-like, with a thicker atmosphere and liquid water that flowed into rivers and seas.
19 maj 2020 · Orbiters and rovers at Mars have confirmed that the planet once had liquid water, thanks to clues that include dry riverbeds, ancient shorelines, and salty surface chemistry. Using NASA’s Curiosity Rover, scientists have found evidence for long-lived lakes. They’ve also dug up organic compounds, or life’s chemical building blocks.