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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721672967
Category :
Languages : en
Pages : 30
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Book Description
This document, submitted as part of this proposal renewal represents the Final Report required by NASA for Grant NAGS-9442. It should be emphasized that, while this work statement in the original proposal outlined anticipated directions of our research, the specific activities we carried out during this period differed slightly from those proposed, capitalizing on new unexpected results and new advances in analytical capability. The thrust of all the work we completed were completely within the stated research goals of the proposal and significantly advanced our knowledge of planetary processes and our understanding of the early solar system. The following summary outlines our achievements in the different areas of research. These include: A) Early solar system processes and time scales using I-Xe chronometry; B) The Active Capture of Volatiles: A new mechanism for the capture of heavy noble gases, possible implications for phase Q and planetary heavy noble gases; C) Separation of Xe-L from Xe-H: Physically selective experiments; D) Abundances of Presolar grains; E) Studies of Neon and Helium from single interstellar SiC and graphite grains; F) Pre-compaction exposure of meteoritic grains and chondrules; G) Geochemically Measured Half-Lives: Double beta-decay of Te and Ba isotopes; H) Noble gases in stratospheric interplanetary dust particles; I) New Analytical Instrument. Goddard Space Flight Center
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721672967
Category :
Languages : en
Pages : 30
Get Book Here
Book Description
This document, submitted as part of this proposal renewal represents the Final Report required by NASA for Grant NAGS-9442. It should be emphasized that, while this work statement in the original proposal outlined anticipated directions of our research, the specific activities we carried out during this period differed slightly from those proposed, capitalizing on new unexpected results and new advances in analytical capability. The thrust of all the work we completed were completely within the stated research goals of the proposal and significantly advanced our knowledge of planetary processes and our understanding of the early solar system. The following summary outlines our achievements in the different areas of research. These include: A) Early solar system processes and time scales using I-Xe chronometry; B) The Active Capture of Volatiles: A new mechanism for the capture of heavy noble gases, possible implications for phase Q and planetary heavy noble gases; C) Separation of Xe-L from Xe-H: Physically selective experiments; D) Abundances of Presolar grains; E) Studies of Neon and Helium from single interstellar SiC and graphite grains; F) Pre-compaction exposure of meteoritic grains and chondrules; G) Geochemically Measured Half-Lives: Double beta-decay of Te and Ba isotopes; H) Noble gases in stratospheric interplanetary dust particles; I) New Analytical Instrument. Goddard Space Flight Center
Author: Robin M. Canup
Publisher: University of Arizona Press
ISBN: 0816546568
Category : Science
Languages : en
Pages : 584
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Book Description
The age-old question of how our home planet and its satellite originated has in recent times undergone a minor revolution. The emergence of the "giant impact theory" as the most successful model for the origin of the Moon has been difficult to reconcile with some aspects of the Earth, and the development of an integrated model for the origin of the Earth-Moon system has been difficult for this reason. However, recent technical advances in experimental and isotopic work, together with intensified interest in the modeling of planetary dynamics, have produced a wealth of new results requiring a rethinking of models for the origin of the Earth and Moon. This book is intended to serve as a resource for those scientists working closely in this field, while at the same time it provides enough balance and depth to offer an introduction for students or technically minded general readers. Its thirty chapters address isotopic and chemical constraints on accretion, the dynamics of terrestrial planet formation, the impact-triggered formation of the Earth-Moon system, differentiation of the Earth and Moon, the origin of terrestrial volatiles, and conditions on the young Earth and Moon. Covering such subjects as the history and origin of the Moon's orbit, water on the Earth, and the implications of Earth-Moon interactions for terrestrial climate and life, the book constitutes a state-of-the-art overview of the most recent investigations in the field. Although many advances have been made in our ability to evaluate competing models of the formation of the Earth-Moon system, there are still many gaps in our understanding. This book makes great strides toward closing those gaps by highlighting the extensive progress that has been made and pointing toward future research.
Author: Nicholas A. Weil
Publisher: Academic Press
ISBN: 148322161X
Category : Science
Languages : en
Pages : 235
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Book Description
Lunar and Planetary Surface Conditions considers the inferential knowledge concerning the surfaces of the Moon and the planetary companions in the Solar System. The information presented in this four-chapter book is based on remote observations and measurements from the vantage point of Earth and on the results obtained from accelerated space program of the United States and U.S.S.R. Chapter 1 presents the prevalent hypotheses on the origin and age of the Solar System, followed by a brief description of the methods and feasibility of information acquisition concerning lunar and planetary data, either from fixed terrestrial observatories or from instrumented or manned space probes. Chapter 2 reviews all conditions pertaining to the surface aspects of the closest celestial neighbor, the Moon. Sections in this chapter deal sequentially with the atmosphere, temperature conditions, subsurface stratification, field intensities (gravitational, electric, and magnetic), and lastly with the biological conditions existing on the lunar surface. This chapter also provides information on the density of the lunar atmosphere under quiescent or high-flux transient conditions, on the topography of the lunar surface, and on the probable proportion of crater-covered areas in the highlands and on the Maria. Chapter 3 is a detailed treatment of the surface conditions on the terrestrial planets, comprising Mercury, Venus, and Mars, while Chapter 4 deals with similar information relating to the so-called Jovian planets (Jupiter, Saturn, Uranus, Neptune) and Pluto. This book will prove useful to lunar and planetary mission planners, both those concerned with the purely scientific aspects of surfaces and immediate subsurfaces, and those involved in the development of roving exploration vehicles.
Author: Ėrik Mikhaĭlovich Galimov
Publisher: de Gruyter
ISBN: 9783110286281
Category : Science
Languages : en
Pages : 0
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Book Description
Biographical note: Professor Erik M. Galimov, Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia; Professor Anton M. Krivtsov, St. Petersburg State Polytechnical University, Russia.
Author: Warren D. Cummings
Publisher: Springer
ISBN: 9783030291211
Category : Science
Languages : en
Pages : 311
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Book Description
This book follows the development of research on the origin of the Moon from the late 18th century to the present. By gathering together the major texts, papers, and events of the time, it provides a thorough chronicle of the paradigmatic shift in planetary science that arose from the notion that the Earth-Moon system was formed from two colliding planetary bodies. The book covers pre-Apollo ideas, the conceptual evolution during and subsequent to the Apollo explorations of the Moon, and the development of the Earth-Moon system consensus. A plethora of excerpts from key publications are included to demonstrate the shift in scientific focus over the centuries. Through its comprehensive review of lunar science research and literature, this book shows how new technologies and discoveries catalyzed the community and revolutionized our understanding of the Moon’s formation.
Author:
Publisher:
ISBN:
Category : Moon
Languages : en
Pages : 534
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Book Description
Author: Gilbert Fielder
Publisher: CRC Press
ISBN: 100051384X
Category : Science
Languages : en
Pages : 249
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Book Description
Secrets of the Moon: Understanding and Analysing the Lunar Surface provides a unique account of the origin of key features on the lunar surface. Containing historical accounts and the latest observations from the field, in addition to exciting data from the Apollo manned missions, it describes the development of our current understanding of our Moon. It also explores the fracturing of the Moon, a topic not explored in other literature in the area, and contains a statistical treatment of the smaller craters of the Moon, as well as a geological treatment of the larger craters. This moderately technical account is designed to clarify and update the general thinking on the nature and origin of the most important lunar surface features for both undergraduate and research students. It may also be read by the professional scientist, especially the astronomer and the geologist who has found little time to study the Moon’s topography, in addition to the lunar amateur astronomer and even the dedicated layman with a keen interest in lunar science. The book excludes nearly all mathematical symbols in order to remain accessible to those without a formal education in the area. Key Features: Authored by an expert in the area Presents a comprehensive account of the lunar surface, from historical observations to the NASA Apollo manned missions and the latest observations and data in the field Includes a statistical and geological treatment of the craters Dr. Gilbert Fielder is Reader Emeritus at Lancaster University, United Kingdom. He performed extended teaching at Lancaster University on Planetary Science and introduced a new degree course on Remote Sensing. Prior to this, he was Principal Investigator in NASA’s Heat Capacity Mapping Programme, while continuing to head the Lunar and Planetary Unit at Lancaster until retirement. Dr. Fielder has authored several books, and presented many BBC and ITA television news programmes, as well as popular programmes with Sir Patrick Moore (on the BBC’s "The Sky at Night") and, on the occasion of the first landing of astronauts on the Moon, with David Frost as Chairman in a special programme.
Author: Virgil L. Sharpton
Publisher: Lunar & Planetary Institute
ISBN:
Category : Cosmochemistry
Languages : en
Pages : 756
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Book Description
Discusses the geology and geophysics of Venus; the lunar highlands and regolith; magmatic processes of the moon and meteorites; remote sensing of the moon and Mars; chondrites, cosmic dust, and comets; ammonia-water mixtures; and the evolution of volcanism, tectonics, and volatiles on Mars. Attention is given to volcanism on Venus, pristine moon rocks, the search for Crisium Basin ejecta, Apollo 14 glasses, lunar anorthosites, the sources of mineral fragments in impact melts 15445 and 15455, and argon adsorption in the lunar atmosphere. Also high-pressure experiments on magnesian eucrite compositions, the early results of thermal diffusion in metal-sulfide liquids, preliminary results of imaging spectroscopy of the Humorum Basin region of the moon, high-resolution UV-visible spectroscopy of lunar red spots, and a radar-echo model for Mars. Other topics include nitrogen isotopic signatures in the Acapulco Meteorite, tridymite and maghemite formation in an Fe-SiO smoke, and the enigma of mottled terrain on Mars.
Author: Linda T. Elkins-Tanton
Publisher: Cambridge University Press
ISBN: 1107118484
Category : Science
Languages : en
Pages : 395
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Book Description
16.3 Planetesimals and Planetary Debris Disks
Author: Mike Fuller
Publisher: Springer Science & Business Media
ISBN: 3319002783
Category : Science
Languages : en
Pages : 135
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Book Description
This book is a summary of the history of discovering the moon. The author has been involved in the Apollo program, working with its samples and this book covers these efforts. It describes the analysis methods of lunar samples and their interpretation to understand lunar paleomagnetism. The book has adopted an historical approach throughout, tracing the development of the ideas of the Earth-moon system, of the birth of the space age, of paleomagnetism and finally of lunar magnetism and its evidence for an early lunar dynamo.
