what is the cid number for martian methane? - EAS

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  1. https://www.nasa.gov/feature/goddard/2021/first...

    Jun 29, 2021 · Reports of methane detections at Mars have captivated scientists and non-scientists alike. On Earth, a significant amount of methane is produced by microbes that help most livestock digest plants. This digestion process ends with livestock exhaling or burping the …

    • Author: Svetlana Shekhtman
    • Publish Year: 2021

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  2. Martian Methane Reveals the Red Planet is not a Dead Planet

    https://www.nasa.gov/.../mars/news/marsmethane.html

    The first definitive detection of methane in the atmosphere of Mars indicates the planet is still alive, in either a biologic or geologic sense, according to a team of NASA and university scientists. "Methane is quickly destroyed in the Martian …

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    What is the source of methane on Mars?
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  3. People also ask
    How did scientists find methane in the Martian atmosphere?The team found methane in the atmosphere of Mars by carefully observing the planet over several Mars years (and all Martian seasons) with NASA's Infrared Telescope Facility, run by the University of Hawaii, and the W. M. Keck telescope, both at Mauna Kea, Hawaii.
    www.nasa.gov/mission_pages/mars/news/marsmethane.…
    How long does methane last on Mars?While this study suggests that methane concentrations rise and fall throughout the day at the surface of Gale Crater, scientists have yet to solve the global methane puzzle at Mars. Methane is a stable molecule that is expected to last on Mars for about 300 years before getting torn apart by solar radiation.
    www.nasa.gov/feature/goddard/2021/first-you-see-it-then …
    What does the methane number 85 mean?This characteristic should be consistent. Methane number is a measure of this characteristic. If a gas fuel has methane number 85, it has more sustainable combustion property of a fuel with MN 80 and lower sustainability than a fuel of 89MN.
    www.linkedin.com/pulse/methane-number-basic-understa…
    Why M/E =15 instead of 16 for methane analysis?We used m/e =15 instead of 16 for methane as the m/e =15 peak (CH 3 +) is 90% of the m/e =16 peak and avoids interference corrections from water. The trade-off of 10% increased error at m/e =15 versus interference from water makes the m/e =15 much more attractive for methane analysis.
    www.nature.com/articles/ncomms8399/
  4. https://en.wikipedia.org/wiki/Natural_methane_on_Mars

    The principal candidates for the origin of Mars' methane include non-biological processes such as water-rock reactions, radiolysis of water, and pyrite formation, all of which produce H2 that could then generate methane and other hydrocarbons via Fischer–Tropsch synthesis with CO and CO2. It has also been shown that methane could be produced by a process involving water, carbon …

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  5. https://www.nature.com/articles/ncomms8399

    Jun 16, 2015 · Methane is detected at mass 15 (that is, the CH 3 + fragment) to avoid interference by O- fragments from water (the methane peak at mass 15 …

    • Author: Nigel J. F. Blamey, Nigel J. F. Blamey, John Parnell, Sean McMahon, Darren F. Mark, Tim O R Tomkinso...
    • Publish Year: 2015

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  6. https://skyandtelescope.org/astronomy-news/...
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    The quest for methane has become a source of heated debate among scientists as measurements obtained from different instruments have yielded conflicting results. On the one hand, NASA’s Curiosity rover has observed a seasonal pattern repeated over three Mars years, where methane abundance varies from 0.2 to 0.
    See more on skyandtelescope.org
    • Estimated Reading Time: 8 mins

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    • https://www.sciencedirect.com/science/article/pii/S0032063308000743

      Jul 01, 2008 · Is PFS really able to measure methane in the Martian atmosphere? The answer is given in Fig. 1: here we have the average spectrum measured by PFS (111 measurements) in …

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    • https://phys.org/news/2018-12-discovery-methane...

      Dec 21, 2018 · According to Chris Webster, a planetary scientist at the Jet Propulsion Laboratory who leads the methane-sensing instrument on Curiosity, the previous levels detected mean that the TGO should...

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    • https://www.clarke-energy.com/methane-number

      Methane, which has a high knock resistance, is given an index value of 100. Hydrogen, which burns quickly relative to methane, has a low knock resistance and is given the index value of 0. …

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    • https://www.linkedin.com/pulse/methane-number...

      Jan 31, 2016 · Methane number is a measure of this characteristic. If a gas fuel has methane number 85, it has more sustainable combustion property of a fuel with MN 80 and lower …

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    • Planetary science: Martian methane hard to explain

      https://www.asiaresearchnews.com/html/article.php...

      Aug 05, 2009 · Summaries of newsworthy papers Astronomy: Unravelling an enigma, Virology: HIV architecture on display, Astronomy: Galaxy evolution a massive mystery and Economic …

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