The abundances of constituents of Titan's atmosphere from the GCMS instrument on the Huygens probe

  title={The abundances of constituents of Titan's atmosphere from the GCMS instrument on the Huygens probe},
  author={Hasso Bernhard Otto Niemann and Sushil K. Atreya and Siegfried J. Bauer and George R. Carignan and J. E. Demick and Robert L. Frost and Daniel Gautier and John A. Haberman and Dan N. Harpold and Donald M. Hunten and G. Israel and Jonathan I. Lunine and Wayne T. Kasprzak and Tobias C. Owen and M. Paulkovich and François Raulin and Eric Raaen and Stephen Way},
Saturn's largest moon, Titan, remains an enigma, explored only by remote sensing from Earth, and by the Voyager and Cassini spacecraft. The most puzzling aspects include the origin of the molecular nitrogen and methane in its atmosphere, and the mechanism(s) by which methane is maintained in the face of rapid destruction by photolysis. The Huygens probe, launched from the Cassini spacecraft, has made the first direct observations of the satellite's surface and lower atmosphere. Here we report… 

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