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Composition of Titan's lower atmosphere and simple surface volatiles as measured by the CassiniHuygens probe gas
 

Summary: Composition of Titan's lower atmosphere and simple surface
volatiles as measured by the CassiniHuygens probe gas
chromatograph mass spectrometer experiment
H. B. Niemann,1
S. K. Atreya,2
J. E. Demick,3
D. Gautier,4
J. A. Haberman,1
D. N. Harpold,1
W. T. Kasprzak,1
J. I. Lunine,5
T. C. Owen,6
and F. Raulin7
Received 25 May 2010; revised 20 August 2010; accepted 8 September 2010; published 10 December 2010.
[1] The CassiniHuygens probe gas chromatograph mass spectrometer (GCMS)
determined the composition of the Titan atmosphere from 140 km altitude to the
surface. After landing, it returned composition data of gases evaporated from the surface.
Height profiles of molecular nitrogen (N2), methane (CH4), and molecular hydrogen (H2)
were determined. Traces were detected on the surface of evaporating methane, ethane
(C2H6), acetylene (C2H2), cyanogen (C2N2), and carbon dioxide (CO2). The methane

  

Source: Atreya, Sushil - Department of Atmospheric, Oceanic and Space Science, University of Michigan

 

Collections: Physics