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  1. astrobiology.nasa.gov › news › water-on-mars-theWater on Mars: The Story So Far | News | Astrobiology

    Oct 18, 2016 · The young planet Mars would have had enough water to cover its entire surface in a liquid layer about 140-meters deep. But it is more likely that the liquid would have pooled to form an ocean occupying almost half of Mars’s northern hemisphere, and in some regions reaching depths greater than 1.6 kilometres. ESO/M. Kornmesser.

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  2. www.nasa.gov › solar-system › nasas-mro-finds-waterNASA’s MRO Finds Water Flowed on Mars Longer Than Previously ...

    Jan 26, 2022 · But two scientists studying data that MRO has accumulated at Mars over the last 15 years have found evidence that reduces that timeline significantly: Their research reveals signs of liquid water on the Red Planet as recently as 2 billion to 2.5 billion years ago, meaning water flowed there about a billion years longer than previous estimates.

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  4. www.nbcnews.com › sciencemain › look-mars-when-itA look at Mars when it was wet and warm, billions of years ago

    Nov 15, 2013 · Nov. 15, 2013, 6:44 PM UTC. By Tanya Lewis. Mars may be a desolate world today, but billions of years ago, the Red Planet was a warm, wet paradise of blue skies and lakes — a hospitable realm re ...

  5. www.sciencealert.com › mars-had-liquid-water-1Mars Had Liquid Water a Billion Years Longer Than We Even ...

    Sep 16, 2016 · Based on new images taken of Mars' ancient northern region, researchers have suggested that there was a "considerable amount of water" roughly a billion years after we thought the red planet's 'wet era' had come to an end. And that means it might have been suitable for microbial life much longer than we've assumed.

  6. www.caltech.edu › about › newsWhat Happened to Mars's Water? It is Still Trapped There

    Mar 16, 2021 · The answer: nowhere. According to new research from Caltech and JPL, a significant portion of Mars's water—between 30 and 99 percent—is trapped within minerals in the planet's crust. The research challenges the current theory that the Red Planet's water escaped into space. The Caltech/JPL team found that around four billion years ago, Mars ...

  7. en.wikipedia.org › wiki › Water_on_MarsWater on Mars - Wikipedia

    [118] [119] It has been shown that another class of meteorites, the nakhlites, were suffused with liquid water around 620 million years ago and that they were ejected from Mars around 10.75 million years ago by an asteroid impact.

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  9. www.livescience.com › water-on-mars-billion-yearsWater on Mars may have flowed for a billion years longer than ...

    Jan 28, 2022 · Observations by a long-running Mars mission suggest that liquid water may have flowed on the Red Planet as little as 2 billion years ago, much later than scientists once thought. Scientists ...

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