Origin And Destiny Of The Earth S Magnetic Field
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Origin And Destiny Of The Earth S Magnetic Field
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Author : Thomas G. Barnes
language : en
Publisher:
Release Date : 1973
Origin And Destiny Of The Earth S Magnetic Field written by Thomas G. Barnes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Science categories.
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
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.
On The Origin Of The Earth S Magnetic Field
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Author : Louis Agricola Bauer
language : en
Publisher:
Release Date : 1904
On The Origin Of The Earth S Magnetic Field written by Louis Agricola Bauer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1904 with Geomagnetism categories.
On The Origin Of The Earth S Magnetic Field
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Author : Louis Agricola Bauer
language : en
Publisher:
Release Date : 1913
On The Origin Of The Earth S Magnetic Field written by Louis Agricola Bauer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1913 with categories.
On The Origin Of The Earth S Magnetic Field
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Author : R. J. Weiss
language : en
Publisher:
Release Date : 1963
On The Origin Of The Earth S Magnetic Field written by R. J. Weiss and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
History Of The Earth S Magnetic Field
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Author : David W. Strangway
language : en
Publisher:
Release Date : 1970
History Of The Earth S Magnetic Field written by David W. Strangway and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Paleomagnetism categories.
An Analysis Of The Earth S Magnetic Field From 1835 To 1965
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Author : Keith L. McDonald
language : en
Publisher:
Release Date : 1967
An Analysis Of The Earth S Magnetic Field From 1835 To 1965 written by Keith L. McDonald 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.
Various Hypotheses Regarding The Origin And Maintenance Of The Earth S Magnetic Field By E H Vestine M A Tuve And E A Johnson
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Author : Ernest H. Vestine
language : en
Publisher:
Release Date : 1939
Various Hypotheses Regarding The Origin And Maintenance Of The Earth S Magnetic Field By E H Vestine M A Tuve And E A Johnson written by Ernest H. Vestine and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1939 with categories.
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.