Cleaning Titan's Atmosphere of Its Noble Gases by Their Trapping in the Photochemical Aerosols

Details Cleaning Titan's Atmosphere of Its Noble Gases by Their Trapping in the Photochemical Aerosols Cleaning Titan's Atmosphere of Its Noble Gases by Their Trapping in the Photochemical Aerosols

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd..10e..13j&link_type=abstract

Progress in Planetary Exploration Missions, 26th meeting of the IAU, Joint Discussion 10, 21-22 August 2006, Prague, Czech Repub

Computer Science

Scientific paper

Huygens' GCMS found ^36Ar and ^40Ar mixing ratios of 2.8x10^-7 and 4.3x10^-7 respectively, or 7x10^-3 and 3.6x10^-3 of their abundances in Earth's atmosphere. Our experiments on the UV photolysis of gas mixtures containing N [2]:CH[4]:C[2]H[2]:HCN=550:105:40:4 torr demonstrated the formation of long chain polymers with an elemental composition of C:H:N=1:1:0.007. These polymers aggregate to form aerosol particles which, during their formation in the presence of Ar, Kr or Xe, trap these gases. It will be shown that the experimentally obtained trapping efficiencies of ~1x10-3 can clear Titan's atmosphere of these noble gases, leaving only traces of them in the atmosphere.

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