上游 OUR CURRENT VIEW OF THE INTERIOR OF TITAN Crust of Ice Ih, ~250km (?thick. Impact shattered regolith Ammonia-water ocean, ~1km thick.Coated in liquid ~50-200km(?)deep. and solid organic detritus. Mantle of high pressure 1.5 bar nitrogen ices and ammonia hydrates, atmosphere. ~250km(?)thick. Orange organic Rocky core, hazes showing ~3800km in seasonal diameter. asymmetry
Shanghai Jiao Tong University
上游充通大￥ Feasibility of a Solvent For Particular Shanghai Jiao Tong University Planetary Environments Table 6.3 Feasibility of a solvent for particular planetary environments. Solvent Earth Icy Satellites Gas Giants L T D T E T E D H2O ++ 0 0 0 0 0 NH3 0 0 十+ 0 0 0 0 0 HCN 0 ++ 0 0 0 0 0 0 + HF 0 0 0 ++ 0 0 0 0 0 H2S 0 十十 0 0 CH3OH 0 0 0 十十 0 0 0 CH3OH3 0 0 十十 0 0 Solvent Io (near subsurface Titan surface Titan subsurface C L T E D C L T E D C L T E D H2O + 0 0 0 十 0 0 0 NH3 0 0 0 + 0 0 0 十十 0 0 HCN 0 0 + 0 0 0 0 0 0 HF 0 0 0 0 0 0 0 0 H2S 0 0 ++ CH3OH 0 0 0 0 0 0 0 + 0 0 0 CH3OH3 0 0 0 0 C:宇宙丰度L:本地丰度 T下温度范围Enthalpy of Vaporization焓 D:Dipole moment偶极
Shanghai Jiao Tong University C: 宇宙丰度 L: 本地丰度 T: 温度范围 V: Enthalpy of Vaporization焓 D: Dipole moment 偶极 Feasibility of a Solvent For Particular Planetary Environments
上游充通大￥ Shanghai Jiao Tong University Earth Facts .Distance from Sun:150 million kilometers (93.2 million miles) .Orbital period:365.256 days .Rotational period:23.9345 hours .Tilt of axis:23.45 degrees .Diameter:12,756 kilometers(7,973 miles) .Mean density:5.515 g/cc .Mean surface temperature:15 C .Atmospheric pressure:1.013 bars .Atmosphere composition:77%N,21%O and 2%other. .Crustal rocks:Mid-ocean ridge basalt,andesites,granites, sandstones,shales,limestones,metamorphic. .Magnetic field .Plate tectonics .Hydrosphere Biosphere From epswww.unm.edu
Shanghai Jiao Tong University •Distance from Sun: 150 million kilometers (93.2 million miles) •Orbital period: 365.256 days •Rotational period: 23.9345 hours •Tilt of axis: 23.45 degrees •Diameter: 12,756 kilometers (7,973 miles) •Mean density: 5.515 g/cc •Mean surface temperature: 15°C •Atmospheric pressure: 1.013 bars •Atmosphere composition: 77% N, 21% O and 2% other. •Crustal rocks: Mid-ocean ridge basalt, andesites, granites, sandstones, shales, limestones, metamorphic. •Magnetic field •Plate tectonics •Hydrosphere •Biosphere Earth Facts From epswww.unm.edu
不同行星环境中候选溶剂考评小结 Table 6.4 Summarized assessment of solvent candidates for selected planetary environments. Solvent Earth Icy Satellite Gas giants Io (near Titan Titan subsurface) surface subsurface H2O +4 +3 +1 +1 +1 0 NH3 -1 +1 +2 0 0 +3 HCN +1 -1 0 -1 0 0 HF -2 -1 0 -2 -3 0 H2S -4 -3 -3 CH3OH +1 +1 0 精 彩 CH3OH3 -4 -2 -3 图 集 非诚勿扰
不同行星环境中候选溶剂考评小结 非诚勿扰
上游充通大￥ 结论 Shanghai Jiao Tong University 圈水是有机化学与生命的最佳溶剂选择 圈碳是生命骨架的最佳选择 co ETHANE FORMIC- ACID ACETO NITRILE ETHER FULLERENES AMINO ACIDS RNA kmp ACETYLENE
Shanghai Jiao Tong University 水是有机化学与生命的最佳溶剂选择. 碳是生命骨架的最佳选择. 结论