NASA/ESA/Asi Cassini-Huygens: 1997 Onwards (Cassini Orbiter, Huygens Probe and Future Exploration Concepts) (Owners Workshop Manual) par Ralph Lorenz

NASA/ESA/Asi Cassini-Huygens: 1997 Onwards (Cassini Orbiter, Huygens Probe and Future Exploration Concepts) (Owners Workshop Manual) par Ralph Lorenz

Titre de livre: NASA/ESA/Asi Cassini-Huygens: 1997 Onwards (Cassini Orbiter, Huygens Probe and Future Exploration Concepts) (Owners Workshop Manual)

Auteur: Ralph Lorenz

ISBN: 1785211110

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Ralph Lorenz avec NASA/ESA/Asi Cassini-Huygens: 1997 Onwards (Cassini Orbiter, Huygens Probe and Future Exploration Concepts) (Owners Workshop Manual)

The descent of the Huygens probe to the frozen surface of Saturn's moon, Titan, in 2005, marks a pinnacle achievement in space exploration - the most distant planetary landing ever made or presently foreseen. The Huygens probe's seven-year voyage through space (past Venus, Earth and Jupiter) attached to the Cassini orbiter, its arrival at Saturn and three-week dormant coast to Saturn's moon, Titan, culminated in Huygens' hypersonic entry into Titan's atmosphere, 2.5-hour parachute descent, and continued operation for 72 minutes on the surface transmitting date back to Earth via the Cassini orbiter. Saturn has 62 confirmed orbiting moons, but Titan (which is larger than the planet Mercury) was chosen as a has two major components of Earth's atmosphere - nitrogen and oxygen - but the oxygen is was thought to be frozen as water ice within the body of the moon. If Titan received more sunlight, its atmosphere might well resemble that of a primitive Earth. The hope is that study of the data gathered about Titan will help us to understand how the Earth evolved, and possibly what led to the evolution of life.


Dr. Ralph Lorenz is a planetary scientist on the Principal Professional Staff of the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, MD, USA. He is a member of the Cassini Radar team, and helped to develop the Huygens Surface Science Package. He is involved in formulating mission and instrument concepts at Titan, Europa, Venus and Mars, and served as the Project Scientist for the Titan Mare Explorer (TiME) Discovery Phase A study, a proposal to sail a capsule on Titan's seas. He has played a major role in the definition of a range of US and European Titan mission concepts, from airships and hot-air balloons, through airplanes, landers and even a submarine.