Planetary Magnetism
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Planetary Magnetism
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Author : U.R. Christensen
language : en
Publisher: Springer
Release Date : 2012-10-13
Planetary Magnetism written by U.R. Christensen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-13 with Science categories.
The articles in this volume cover, for the first time, all aspects of planetary magnetism, from the observations made by space missions to their interpretation in terms of the properties of all the planets in the solar system. Studies of dynamo-generated magnetic fields in Mercury, the Earth, the giant planets, as well as in Ganymede, one of Jupiter’s moons, are presented. Crustal magnetic field in Mars, the Mon and the Earth are described as well as magnetic fields induced in the solar system bodies. There are several articles dealing with dynamo theory and modelling and applications to the different planets.
The Earth S Magnetic Field Its History Origin And Planetary Perspective
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Author : McElhinny
language : en
Publisher: Academic Press
Release Date : 1984-01-04
The Earth S Magnetic Field Its History Origin And Planetary Perspective written by McElhinny and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-01-04 with Science categories.
The Earth's Magnetic Field : Its History, Origin, and Planetary Perspective
Magnetism Planetary Rotation And Convection In The Solar System Retrospect And Prospect
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Author : W. O'Reilly
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Magnetism Planetary Rotation And Convection In The Solar System Retrospect And Prospect written by W. O'Reilly 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 2012-12-06 with Science categories.
On the 6th, 7th' and 8th April 1983, a conference entitled "Magnetism, planetary rotation and convection in the Solar System" was held in the School of Physics at the University of Newcastle upon Tyne. The purpose of the meeting was to celebrate the 60th birthday of Prof. Stanley Keith Runcorn and his, and his students' and associates', several decades of scientific achievement. The social programme, which consisted of excursions in Northumberland and Durham with visits to ancient castles and churches, to Hexham Abbey and Durham Cathedral, and dinners in Newcastle and Durham, was greatly enjoyed by those attending the meeting and by their guests. The success ofthe scientific programme can be judged by this special edition of Geophysical Surveys which is derived mainly from the papers given at the meeting. The story starts in the late 1940s when the question of the origin of the magnetic field of the Earth and such other heavenly bodies as had at that time been discovered as having a magnetic field, was exercising the minds of several scientists; notably P. M. S. Blackett at Manchester, W. M. Elsasser at the University of Pennsylvania and E. C. Bullard at Cambridge. Two alternative mechanisms were proposed. In one the magnetic field was in some way connected with the distributed angular momentum of a rotating body; in the other, electric currents in conducting parts within the body were proposed as the source of magnetic field.
Earth S Magnetic Field Secrets
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Author : Dennis Brooks
language : en
Publisher: Speedy Publishing LLC
Release Date : 2015-03-04
Earth S Magnetic Field Secrets written by Dennis Brooks and has been published by Speedy Publishing LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-04 with Science categories.
The Old Theory Until now, there was only one theory regarding the source of Earth's magnetic field, which is the internal dynamo theory. This theory was accepted because it offered the best explanation at the time. Also, much research has been done to support the theory. According to the internal dynamo theory, a dynamo near the center of the planet generates the current that produces the magnetic field. This dynamo would be in the liquid outer core of the planet. It would produce the magnetic axis and project it from the planet. The axis would expand and spread the magnetic field around the planet. This theory also suggests that the internal dynamo is sustaining itself by using fuel from Earth's core. The internal dynamo theory has changed over the years. At first scientists thought that a bar magnet was in the center of the planet and the compass needle pointed to the poles of that magnet. This made perfect sense at the time because we can see that the same thing happens when we put a compass near a bar magnet. The Bar Magnet In The Sun image demonstrates the idea of the bar magnet theory. However, this example shows the bar magnet imbedded within the sun because just like the planets, the sun also has a magnetic field, which is more complex than Earth's magnetic field. Scientists have tried to use the internal dynamo theory to explain the magnetic fields of all the planets, some moons, and the sun. However, the old model does not work for the sun, moon, and other planets. The bar magnet concept lasted a long time as the main theory regarding the source of Earth's magnetic field. However, while trying to apply it to other cases, scientists found problems with the theory. Over the years, they discovered that a bar magnet could not hold magnetism above the temperature of 770 degrees centigrade because high heat destroys magnetism. This caused the theory to gradually evolve over time.
Magnetic Fields In The Solar System
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Author : Hermann Lühr
language : en
Publisher: Springer
Release Date : 2018-01-10
Magnetic Fields In The Solar System written by Hermann Lühr and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-10 with Science categories.
This book addresses and reviews many of the still little understood questions related to the processes underlying planetary magnetic fields and their interaction with the solar wind. With focus on research carried out within the German Priority Program ”PlanetMag”, it also provides an overview of the most recent research in the field. Magnetic fields play an important role in making a planet habitable by protecting the environment from the solar wind. Without the geomagnetic field, for example, life on Earth as we know it would not be possible. And results from recent space missions to Mars and Venus strongly indicate that planetary magnetic fields play a vital role in preventing atmospheric erosion by the solar wind. However, very little is known about the underlying interaction between the solar wind and a planet’s magnetic field. The book takes a synergistic interdisciplinary approach that combines newly developed tools for data acquisition and analysis, computer simulations of planetary interiors and dynamos, models of solar wind interaction, measurement of ancient terrestrial rocks and meteorites, and laboratory investigations.
The Earth S Magnetic Field
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Author : Ronald T. Merrill
language : en
Publisher:
Release Date : 1983-01-01
The Earth S Magnetic Field written by Ronald T. Merrill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-01-01 with Technology & Engineering categories.
Stellar And Planetary Magnetism
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Author : A. M. Soward
language : en
Publisher: Gordon & Breach Publishing Group
Release Date : 1983
Stellar And Planetary Magnetism written by A. M. Soward and has been published by Gordon & Breach Publishing Group this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Science categories.
Our Worlds
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Author : Alan Stern
language : en
Publisher: Cambridge University Press
Release Date : 1999-02-11
Our Worlds written by Alan Stern and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-02-11 with Science categories.
Our Worlds provides a rare "insider" look into the universe and planetary science during the current golden age of space exploration. Readers are guided on an exciting voyage of discovery by eight distinguished researchers who explore the universe with cutting edge techniques. From Chief Scientist on NASA's New Millennium Program Ellen Stofan to planetary theorist Bill McKinnon, each writes from a personal point of view, sharing to the fullest the science and emotion found in the most enticing discoveries and the wonders of the solar system. This volume gives readers an up-close view of Mars, Venus, and the Moon; a trip with Halley's Comet; a visit to the moons of Io, Titan, and Triton; and the ability to experience asteroids in their natural element. Coverage details the most current knowledge of the solar system learned from space missions, including Magellan and Galileo. This volume fully captures the breadth of planetary science, from inner to outer worlds, from telescopic to robotic exploration, and provides an unique glimpse into the drives and interests of the men and women behind the science. It is the most encompassing book on the subject to date and will interest anyone who looks at the night sky and wonders what it would feel like to be able to get a closer look. Alan Stern is a planetary scientist and astrophysicist with both observational and theoretical interests. He is the leader of the Southwest Research Institute's Geophysical, Astrophysical, and Planetary Science group located in Boulder, CO.
Magnetism And The Cosmos
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Author : William Russell Hindmarsh
language : en
Publisher:
Release Date : 1967
Magnetism And The Cosmos written by William Russell Hindmarsh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Cosmic magnetic fields categories.
Mars Magnetism And Its Interaction With The Solar Wind
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Author : Daniel Winterhalter
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-05
Mars Magnetism And Its Interaction With The Solar Wind written by Daniel Winterhalter 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 2013-06-05 with Science categories.
Given that the question of an internal magnetic field is of fundamental importance to the understanding of Mars' formation and thermal evolution, and of the evolution of Mars' atmosphere, surprisingly few of the many spacecraft sent to Mars were equipped with instrumentation for such investigations. Of the 9 or so orbiters that have successfully archived Mars orbit, even if for a short period of time, only two have returned useful data about the magnetic field and about the plasma environment near Mars: The Phobos 2 spacecraft, and more recently, Mars Global Surveyor (MGS). With the discovery by MGS that Mars has large remnant magnetic field structures indicating an internal dynamo long extinct, the true nature of the past and present interaction between Mars and the solar wind comes, for the first time, into sharp focus. This work, detailing the integration and new interpretation of the MGS and Phobos results, is a primary reference for the researcher studying solar wind/planet interactions.