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  2. Geological history of Mars - Wikipedia

    en.wikipedia.org/wiki/Geological_history_of_Mars

    Pre-Noachian: the interval from the accretion and differentiation of the planet about 4.5 billion years ago to the formation of the Hellas impact basin, between 4.1 and 3.8 Gya. [14] Most of the geologic record of this interval has been erased by subsequent erosion and high impact rates.

  3. Space's Deepest Secrets - Wikipedia

    en.wikipedia.org/wiki/Space's_Deepest_Secrets

    Space's Deepest Secrets is a documentary science television series narrated by David O'Brien. Aired by the Science Channel, it premiered on April 26, 2016.. According to the Science Channel, "Space's Deepest Secrets shares the stories of the men and women who pushed their ingenuity and curiosity beyond the limits to uncover some of the most groundbreaking findings in the history of space ...

  4. Mars - Wikipedia

    en.wikipedia.org/wiki/Mars

    A 2023 study shows evidence, based on the orbital inclination of Deimos (a small moon of Mars), that Mars may once have had a ring system 3.5 billion years to 4 billion years ago. [32] This ring system may have been formed from a moon, 20 times more massive than Phobos, orbiting Mars billions of years ago; and Phobos would be a remnant of that ...

  5. NASA Made a World-Shaking Discovery: Compelling ... - AOL

    www.aol.com/nasa-made-world-shaking-discovery...

    To fully understand what really happened in that Martian river valley at Jezero Crater billions of years ago, we’d want to bring the Cheyava Falls sample back to Earth, so it can be studied with ...

  6. Mars carbonate catastrophe - Wikipedia

    en.wikipedia.org/wiki/Mars_carbonate_catastrophe

    The Mars carbonate catastrophe was an event that happened on Mars in its early history. Evidence shows Mars was once warmer and wet about 4 billion years ago, that is about 560 million years after the formation of Mars. Mars quickly, over a 1 to 12 million year time span, lost its water, becoming cold and very dry.

  7. Ancient volcano on Mars once erupted for 2 billion years straight

    www.aol.com/news/2017-02-07-volcano-on-mars...

    While meteorites in the same family as NWA 7635 were all dated about 500 million years old — meaning they were formed from cooling magma on the surface of Mars circa half a billion years ago ...

  8. Allan Hills 84001 - Wikipedia

    en.wikipedia.org/wiki/Allan_Hills_84001

    The theory holds that ALH84001 was blasted away from the surface of Mars by the impact of a meteor about 17 million years ago, [11] and fell on Earth about 13,000 years ago. [12] These dates were established by a variety of radiometric dating techniques, including samarium–neodymium (Sm–Nd), rubidium–strontium (Rb–Sr), potassium–argon ...

  9. Mars (American TV series) - Wikipedia

    en.wikipedia.org/wiki/Mars_(American_TV_series)

    A companion book to the series, Mars: Our Future on the Red Planet (October 2016), details the science behind the show. [1] A prequel episode, called Before Mars, was produced and released conjointly with the series. It tells the fictional story of a moment in the life of one of the astronauts and the decisions she made to get involved in ...

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