Chronology And Evolution Of Mars
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Chronology And Evolution Of Mars
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Author : R. Kallenbach
language : en
Publisher:
Release Date : 2014-01-15
Chronology And Evolution Of Mars written by R. Kallenbach and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.
Chronology And Evolution Of Mars
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Author : R. Kallenbach
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Chronology And Evolution Of Mars written by R. Kallenbach and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
Mars is about one-eighth the mass of the Earth and it may provide an analogue of what the Earth was like when it was at such an early stage of accretion. The fur ther growth of the Earth was sustained by major collisions with planetesimals and planets such as that which resulted in the formation ofthe Earth's moon (Hartmann and Davis, 1975; Cameron and Ward, 1976; Wetherill, 1986; Cameron and Benz, 1991). This late accretionary history, which lasted more than 50 Myr in the case of the Earth (Halliday, 2000a, b), appears to have been shorter and less catastrophic in the case of Mars (Harper et ai. , 1995; Lee and Halliday, 1997). In this article we review the basic differences between the bulk composition of Mars and the Earth and the manner in which this plays into our understanding of the timing and mechanisms of accretion and core formation. We highlight some of the evidence for early cessation of major collisional growth on Mars. Finally, we reevaluate the isotopic evidence that Mars differentiated quickly. Fundamental differences between the composition of Mars and that of other terrestrial planets are apparent from the planet's slightly lower density and from the compositions of Martian meteorites. The low density is partially explicable if there is a greater proportion of more volatile elements.
Chronology And Evolution Of Mars
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Author : Reinald Kallenbach
language : en
Publisher:
Release Date : 2001
Chronology And Evolution Of Mars written by Reinald Kallenbach and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Chronology And Evolution Of Mars
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Author : Reinald Kallenbach
language : en
Publisher:
Release Date : 2001
Chronology And Evolution Of Mars written by Reinald Kallenbach and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Mars (Planet) categories.
Major Aspects Of The Chronostratigraphy And Geologic Evolutionary History Of Mars
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Author : Stephanie C. Werner
language : en
Publisher: Cuvillier Verlag
Release Date : 2005-12-08
Major Aspects Of The Chronostratigraphy And Geologic Evolutionary History Of Mars written by Stephanie C. Werner and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-08 with Science categories.
This thesis was conducted in the framework of the German Research Foundation’s priority program Mars and the Terrestrial Planets as part of the project Chronostratigraphy of Mars. All global stratigraphic and geologic systems for Mars have been based on remote sensing data gathered during the Mariner 9 and Viking mission (Tanaka, 1986; Tanaka et al., 1992a), culminating in three 1:15M–scale geologic maps by Scott and Tanaka (1986); Greeley and Guest (1987); Tanaka and Scott (1987). Generally, most of the surface–forming processes were placed in the early phase of the Martian evolution. Chrono–stratigraphic schemes for Mars are derived from imagery and crater frequencies observed during Mariner 9 and Viking missions, and however, led to a wide range of chronologic systems with no clear consensus on the absolute ages (Hartmann, 1973b; Soderblom et al., 1974; Neukum and Wise, 1976; Hartmann et al., 1981; Neukum and Hiller, 1981; Neukum, 1983; Strom et al., 1992). Missions launched in the late 1990ies, such as Mars Global Surveyor and Mars Odyssey revealed very young volcanic surfaces, correlating in age with Martian meteorite crystallization ages (Hartmann, 1999a). Additionally, global topography (Smith et al., 1999a,b, Mars Orbiter Laser Altimeter) and gravity data (Zuber et al., 2000) as well as the discovery of strong remnant magnetization of the older Martian crust (Acu˜na et al., 1999), implied a more continual and diverse evolution than previously thought.
Dynamic Mars
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Author : Richard J. Soare
language : en
Publisher: Elsevier
Release Date : 2018-08-07
Dynamic Mars written by Richard J. Soare and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-07 with Science categories.
Dynamic Mars: Recent and Current Landscape Evolution of the Red Planet presents the latest observations, interpretations, and explanations of geological change at the surface or near-surface of this terrestrial body. These changes raise questions about a decades-old paradigm, formed largely in the aftermath of very coarse Mariner-mission imagery in the 1960s, suggesting that much of the interesting geological activity on Mars occurred deep in its past, eons ago. The book includes discussions of (1) Mars’ ever-changing atmosphere and the impact of this on the planet’s surface and near-surface; (2) the possible involvement of water in relatively new, if not contemporary, gully-like flows and slope streaks (i.e. recurring slope lineae); and (3) the identification of a broad suite of agents and processes (i.e. glacial, periglacial, aeolian, meteorological, volcanic, and meteoric) that are actively revising surface and near-surface landscapes, landforms, and features on a local, regional, and hemispheric scale. Highly illustrated and punctuated by data from the most recent Mars missions, Dynamic Mars is a valuable resource for all levels of research in the geological history of Mars, as well as of the three other terrestrial planets. Utilizes observational and model-based data as well as geological context to frame the understanding of the dynamic surface and near-surface of Mars Presents a broad spectrum of highly regarded experts and themes to discuss and evaluate the geological history of late and current Mars Includes extensive and detailed imagery to clearly illustrate these themes, discussions, and evaluations
Ancient History Of Mars
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Author : Jagdish Krishanlal Arora
language : en
Publisher:
Release Date : 2023-10-03
Ancient History Of Mars written by Jagdish Krishanlal Arora and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-03 with Fiction categories.
The ancient history of Mars is a tale of cosmic evolution, shaped by eons of geological, climatic, and potentially even biological processes. Billions of years ago, Mars likely had a more Earth-like environment, with flowing water, a thicker atmosphere, and possibly the conditions necessary for life to emerge. Evidence from Martian geology, such as dry river valleys and ancient lake beds, hints at a planet once teeming with liquid water. However, over time, Mars underwent a dramatic transformation, with its atmosphere thinning and surface water disappearing, leaving behind a harsh, arid landscape marked by deserts and enormous canyons. Understanding this ancient history provides crucial insights into the potential habitability of Mars and the search for signs of past life on the Red Planet.
Internal Dynamics And Crustal Evolution Of Mars
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-24
Internal Dynamics And Crustal Evolution Of Mars written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-24 with categories.
The objective of this work is to improve understanding of the internal structure, crustal evolution, and thermal history of Mars by combining geophysical data analysis of topography, gravity and magnetics with results from analytical and computational modeling. Accomplishments thus far in this investigation include: (1) development of a new crustal thickness model that incorporates constraints from Mars meteorites, corrections for polar cap masses and other surface loads, Pratt isostasy, and core flattening; (2) determination of a refined estimate of crustal thickness of Mars from geoid/topography ratios (GTRs); (3) derivation of a preliminary estimate of the k(sub 2) gravitational Love number and a preliminary estimate of possible dissipation within Mars consistent with this value; and (4) an integrative analysis of the sequence of evolution of early Mars. During the remainder of this investigation we will: (1) extend models of degree-1 mantle convection from 2-D to 3-D; (2) investigate potential causal relationships and effects of major impacts on mantle plume formation, with primary application to Mars; (3) develop exploratory models to assess the convective stability of various Martian core states as relevant to the history of dynamo action; and (4) develop models of long-wavelength relaxation of crustal thickness anomalies to potentially explain the degree-1 structure of the Martian crust. Zuber, Maria Goddard Space Flight Center
Mars On Earth A Study Of The Qaidam Basin
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Author : Long Xiao
language : en
Publisher: World Scientific
Release Date : 2021-01-04
Mars On Earth A Study Of The Qaidam Basin written by Long Xiao and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-04 with Science categories.
Mars has been extensively photographed by cameras and compositionally detected by spectrometers onboard orbiters on a global scale, and explored in-situ by landers and rovers at both local and outcrop scales in different locations. The results have proved that the Martian surface is rich in Earth-like geomorphologies, and the study of terrestrial analogs to Mars has been listed as one of the highest priorities of Martian science. With increasing new discoveries by in-situ explorations, Mars exploration has begun to enter the era of focusing on detailed analyses at regional to outcrop levels, rather than global mapping. Analog studies are playing a crucial role in this transition, making this book, which introduces the methodology and provides cases for readers, essentially important.Dozens of sites on Earth have been listed as analog targets for comparative study with the geomorphology, geology, geochemistry, environment and habitability of Mars. However, due to the diversity of landforms and forming mechanisms, and the long history of Mars, no single analog site on Earth can be fully compared to Mars. Nonetheless, the Qaidam Basin has been listed as an unique Mars analog site for studying the red planet's geomorphology, geology, and environmental changes, particularly regarding the evolution of paleolakes on Mars. This kind of setting has always been listed as a top priority for the search of life on Mars.This book contains first-hand information and on-site images obtained by the work's contributing authors, and is an essential read for anyone interested in Martian geomorphology and its evolution processes and history.
Mars
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Author : Alberto G. Fairén
language : en
Publisher:
Release Date : 2013
Mars written by Alberto G. Fairén and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Science categories.
This book's main themes focus on the environmental evolution of Mars and the exploration of the planet. Particular emphasis is given to the understanding of Mars as a "cold" planet throughout its entire geological evolution, starting as a "wet" world where liquid water was abundant on the surface, albeit the low temperatures, and its sequential transition into a "dry" planet as temperatures turned even colder. The evolution of the environmental conditions is regarded as a determinant for the emergence and maintenance of life. The book will give insights into the evolution of a variety of landscapes relating to the geological development of Mars, and their potential to harbor life, including the analysis of relevant terrestrial analogs in Antarctica. Also discussed is the cold hydrogeological evolution of Mars as recorded in the types and sequence of deposition of the aqueous minerals existing in the surface and subsurface of the planet.