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By R. S. Saunders, R. E. Arvidson, G. D. Badhwar, W. V. Boynton (auth.), Christopher T. Russell (eds.)

ISBN-10: 0306486008

ISBN-13: 9780306486005

ISBN-10: 9401569584

ISBN-13: 9789401569583

Mars, the main liveable of our sister planets, holds a different position in our imaginations and in our house exploration software. absolutely 1/2 NASA's planetary exploration attempt is now dedicated to Mars. Key questions comprise: Has Mars ever harbored existence? Is there lifestyles on Mars now? Will people manage to continue to exist at the Martian floor? solutions to those questions lie in deciding upon the current position of water on Mars and its most likely stock some time past, and in opting for the current radiation atmosphere of Mars. The 2001 Mars Odyssey undertaking contributes significantly those solutions through detecting near-surface water via measurements of neutron flux, from the detection of carbonates, and the quantification of its radiation setting. This ebook captures the targets, the layout of the challenge and the main points of the tools carried to Mars. it's going to be of curiosity to each scientist drawn to engaging within the on-going exploration of Mars from graduate scholars to senior scientists because it presents the heritage details necessary to interpret the various intriguing effects now showing from the mission.

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Extra info for 2001 Mars Odyssey

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A. A. A. A. A. A. A. A. A. arizona. edu) I (Received l3 September 2002; Accepted in final form 28 March 2003) Abstract. The Mars Odyssey Gamma-Ray Spectrometer is a suite of three different instruments, a gamma subsystem (GS), a neutron spectrometer, and a high-energy neutron detector, working together to collect data that will permit the mapping of elemental concentrations on the surface of Mars. The instruments are complimentary in that the neutron instruments have greater sensitivity to low amounts of hydrogen, but their signals saturate as the hydrogen content gets high.

In some special cases, however, this continuum can be used to study or confirm compositional variations among measured spectra (Thakur, 1997). 024 cm 2/g at 10 MeV. Gamma rays escaping into space without undergoing an energy-loss interaction, therefore come from depths of several tens of g/cm 2 . For the gamma-ray detector on Mars Odyssey, which is roughly equally sensitive to gamma rays incident from all directions, the planet from horizon to horizon is the source of gamma rays detected.

K. A. A. A. A. A. A. A. A. A. A. A. arizona. edu) I (Received l3 September 2002; Accepted in final form 28 March 2003) Abstract. The Mars Odyssey Gamma-Ray Spectrometer is a suite of three different instruments, a gamma subsystem (GS), a neutron spectrometer, and a high-energy neutron detector, working together to collect data that will permit the mapping of elemental concentrations on the surface of Mars. The instruments are complimentary in that the neutron instruments have greater sensitivity to low amounts of hydrogen, but their signals saturate as the hydrogen content gets high.

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2001 Mars Odyssey by R. S. Saunders, R. E. Arvidson, G. D. Badhwar, W. V. Boynton (auth.), Christopher T. Russell (eds.)


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