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內(nèi)容概要

This is the first book to deal with Titan, one of the most mysterious bodies in the solar system. The largest satellite of the giant planet Saturn, Titan is itself larger than the planet Mercury, and is unique in being the only known moon with a thick atmosphere. In addition, its atmosphere bears a startling resemblance to the Earth's, but is much colder.The American and European space agencies, NASA and ESA, have recently combined efforts to send a huge robot spacecraft to orbit Saturn and land on Titan. This book provides the background to this, the greatest deep space venture of our time, and sets the scene for what may be found when the spacecraft arrives in 2004.

書籍目錄

ProlegomenaChapter 1: Introduction  1.1  Early history　1.2  Titan in mythology　1.3  The 20th century, before Voyager　1.4  Titan in the Space Age　1.5  Sources and Further ReadingChapter 2: Observations of Titan　2.1　Introduction: space exploration of our Solar System　2.2　Space missions to the Saturnian system　  2.2.1　Pioneer ll: first to Saturn　  2.2.2　The Voyager missions　  2.2.3　Results from Voyager: an overview　  2.2.4　The Cassini-Huygens mission　2.3  Space observatories　  2.3.1　The Hubble Space Telescope （HST）　  2.3.2　The Next Generation Space Telescope （NGST）　  2.3.3　The infrared space observatory （ISO）　2.4  Ground-based observatories　  2.4.1　The Mauna Kea observatories　  2.4.2  The European Southern observatories  　2.4.3　The IRAM Telescope and Radio Astronomy　  2.4.4　The Very Large Array　  2.4.5　Other observatories　2.5  Sources and Further ReadingChapter 3: Atmospheric Physics and Thermal Structure　3.1　Physical aspects of a substantial atmosphere　 3.1.1　Definitions　　3.1.2  Thermal structure and nomenclature　　3.1.3　Troposphere　　3.1.4  Stratosphere　　3.1.5  Mesosphere　　3.1.6  Thermosphere　　3.1.7  Exosphere　3.2　Atmospheric radiative transfer　　3.2.1　Solar radiation　　3.2.2  Thermal radiation　　3.2.3　Energy balance and surface temperature　　3.2.4　Atmospheric temperature profile　3.3　Atmospheric observations　　3.3.1　Remote temperature sounding　　3.3.2  Vertical resolution　3.4　Measurements of Titan's atmospheric temperature　　3.4.1　The lower atmosphere　　3.4.2　Energy balance and the temperature profilein the thermosphere　　3.4.3　Stellar occultation　3.5　Titan's ionosphere　3.6　Sources and Further ReadingChapter 4: Chemistry and Composition　4.1　Stratospheric composition and variations　 4.1.1　Analysis of the Voyager infrared data　 4.1.2　Seventeen years after Voyager, the ISO looks at　 4.1.3　Ground-based observations of the atmosphere　4.2　Interpreting molecular abundances　 4.2.1　Oxygen-bearing molecules: CO, CO2 and H2O　 4.2.2　Argon　 4.2.3　Deuterium: CH3D and D/H ratio　4.3　Photochemistry  　4.3.1　Hydrocarbons　  4.3.2  Nitriles　  4.3.3　Oxygen compounds　  4.3.4　Condensation efficiencies　　  4.3.5　Aerosol production  4.4  Sources and Further ReadingChapter 5:  Aerosols and CondensatesChapter 6:  Atmospheric Dynamics and MeteorologyChapter 7:  The Surface and Interior of TitanChapter 8:  Titan in the solar systemChapter 9:  Cassini and Huygens:Orbiting Saturn and Landing on TitanChapter 10:  EpilogueReferences and Bibliography　

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