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- Christopher R. Webster
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.
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- Paul R. Mahaffy
- NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.
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- Sushil K. Atreya
- Department of Atmospheric, Oceanic, and Space Sciences, University of Michigan, Ann Arbor, MI 48109, USA.
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- Gregory J. Flesch
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.
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- Kenneth A. Farley
- Department of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, USA.
抄録
<jats:title>No Methane to Be Found</jats:title> <jats:p> On Earth, atmospheric methane is mostly produced biologically. Atmospheric methane has also been detected on Mars, but these reports have been controversial. Based on data from the Sample Analysis at Mars instrument suite on the Curiosity rover, which arrived at the surface of Mars in August 2012, <jats:bold> Webster <jats:italic>et al.</jats:italic> </jats:bold> (p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6156" page="355" related-article-type="in-this-issue" vol="342" xlink:href="10.1126/science.1242902">355</jats:related-article> , published online 19 September) report no methane, with an upper limit of only 1.3 parts per billion by volume, about 6 times lower than previous measurements. </jats:p>
収録刊行物
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- Science
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Science 342 (6156), 355-357, 2013-10-18
American Association for the Advancement of Science (AAAS)