- published: 18 Aug 2012
- views: 289013
Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from the Earth's interior to where it meets the solar wind, a stream of charged particles emanating from the Sun. Its magnitude at the Earth's surface ranges from 25 to 65 microteslas (0.25 to 0.65 gauss). Roughly speaking it is the field of a magnetic dipole currently tilted at an angle of about 10 degrees with respect to Earth's rotational axis, as if there were a bar magnet placed at that angle at the center of the Earth. Unlike a bar magnet, however, Earth's magnetic field changes over time because it is generated by a geodynamo (in Earth's case, the motion of molten iron alloys in its outer core).
The North and South magnetic poles wander widely, but sufficiently slowly for ordinary compasses to remain useful for navigation. However, at irregular intervals averaging several hundred thousand years, the Earth's field reverses and the North and South Magnetic Poles relatively abruptly switch places. These reversals of the geomagnetic poles leave a record in rocks that are of value to paleomagnetists in calculating geomagnetic fields in the past. Such information in turn is helpful in studying the motions of continents and ocean floors in the process of plate tectonics.
A magnetic field is the magnetic effect of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude (or strength); as such it is a vector field. The term is used for two distinct but closely related fields denoted by the symbols B and H, where H is measured in units of amperes per meter (symbol: A·m−1 or A/m) in the SI. B is measured in teslas (symbol:T) and newtons per meter per ampere (symbol: N·m−1·A−1 or N/(m·A)) in the SI. B is most commonly defined in terms of the Lorentz force it exerts on moving electric charges.
Magnetic fields can be produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin. In special relativity, electric and magnetic fields are two interrelated aspects of a single object, called the electromagnetic tensor; the split of this tensor into electric and magnetic fields depends on the relative velocity of the observer and charge. In quantum physics, the electromagnetic field is quantized and electromagnetic interactions result from the exchange of photons.
Earth /ˈɜːrθ/ (also the world, in Greek: Γαῖα Gaia, or in Latin: Terra) is the third planet from the Sun, the densest planet in the Solar System, the largest of the Solar System's four terrestrial planets, and the only astronomical object known to harbor life.
According to evidence from radiometric dating and other sources, Earth was formed about 4.54 billion years ago. Earth gravitationally interacts with other objects in space, especially the Sun and the Moon. During one orbit around the Sun, Earth rotates about its own axis 366.26 times, creating 365.26 solar days or one sidereal year. Earth's axis of rotation is tilted 23.4° away from the perpendicular of its orbital plane, producing seasonal variations on the planet's surface with a period of one tropical year (365.24 solar days). The Moon is Earth's only permanent natural satellite. Its gravitational interaction with Earth causes ocean tides, stabilizes the orientation of Earth's rotational axis, and gradually slows Earth's rotational rate.
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In everyday speech, a phrase may be any group of words, often carrying a special idiomatic meaning; in this sense it is roughly synonymous with expression. In linguistic analysis, a phrase is a group of words (or possibly a single word) that functions as a constituent in the syntax of a sentence—a single unit within a grammatical hierarchy. A phrase appears within a clause, although it is also possible for a phrase to be a clause or to contain a clause within it.
There is a difference between the common use of the term phrase and its technical use in linguistics. In common usage, a phrase is usually a group of words with some special idiomatic meaning or other significance, such as "all rights reserved", "economical with the truth", "kick the bucket", and the like. It may be a euphemism, a saying or proverb, a fixed expression, a figure of speech, etc.
In grammatical analysis, particularly in theories of syntax, a phrase is any group of words, or sometimes a single word, which plays a particular role within the grammatical structure of a sentence. It does not have to have any special meaning or significance, or even exist anywhere outside of the sentence being analyzed, but it must function there as a complete grammatical unit. For example, in the sentence Yesterday I saw an orange bird with a white neck, the words an orange bird with a white neck form what is called a noun phrase, or a determiner phrase in some theories, which functions as the object of the sentence.
Discovery channel HD presents a nice detailed explanation about the Sun and how it has a direct effect on Earth's magnetic field. Most of you will say "I knew this already" which a lot of people do, but this clip has the clearest explanation on the Sun and it's positive and occasional negative effects on the Earth, and the people. Worth watching.
This video is in response to the numerous errors I have seen online regarding the earth's magnetic field. I hope you take a few minutes and can learn something interesting from this video. Here are links to the university and governmental websites that have this information wrong: Penn State: http://eqseis.geosc.psu.edu/~cammon/HTML/Classes/IntroQuakes/Notes/plate_tect01.html Bradford: http://www.brad.ac.uk/archaeomagnetism/archaeomagnetic-dating/introduction-to-archaeomagnetism/magnetic-field/ NOAA (The original picture has been taken down from their website 2 months after I emailed them about the error. Here is a mirror of it): http://www.creationoutreach.com/sitebuildercontent/sitebuilderpictures/magfieldbarmagn.gif NASA 1: http://denali.gsfc.nasa.gov/terr_mag/core.html NASA 2: http://...
Scientists are using clues from ancient artifacts to help them predict the future of the magnetic field. What Happens When Earth's Magnetic Poles Reverse? - https://youtu.be/Ou1BiorYRNU Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Go to http://graze.com and enter code SEEKER to get a free sampler box. Read More: Ancient Jars Hold Clues About Earth's Fluctuating Magnetic Fields https://www.nytimes.com/2017/02/14/science/magnetic-field-earth-jars.html?rref=collection%2Fcolumn%2Ftrilobites "Geoscientists have little knowledge of what has been occurring with the magnetic field during recent millenniums. The current decline could be just a squiggle of typical fluctuations. So they turned to pottery and the record keeping of ancient bureaucrats." Why Earth's Inner and ...
Earth's Force Field http://13chakras.com The Earths magnetic field, the protector of all life on Earth is under constant attack from deadly cosmic radiation. This invisible shield that we live in is weakening in a region over the South Atlantic, leaving it exposed to potentially lethal radiation. Is the Earth losing its magnetic field and doomed to a fate similar to Mars? Many scientists believe the answer lies in paleomagnetic data, and that this weakening may be a precursor to a magnetic field reversal; scientists know Earth is long overdue. However, humans were not around when the last reversal took place, so what does this mean for life? http://www.onehealsone.co.uk/13chakras.php
The sun has two planets in its Goldilocks zone: the Earth and Mars. The crucial difference: a magnetic field that protects us from the sun’s radiation and makes liquid water - and life - possible on Earth. | For more How the Universe Works, visit http://science.discovery.com/tv-shows/how-the-universe-works/#mkcpgn=ytsci1 Catch all new episodes of HOW THE UNIVERSE WORKS Wednesdays at 9/8c on Science Channel! Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel Check out SCI2 for infinitely awesome science videos. Every day. | http://bit.ly/SCI2YT Download the TestTube app! | http://testu.be/1ndmmMq
The earth itself vibrates as a resonance of 7.83Hz and better known as the "Schumann Resonance. MP3 available for sale HERE: https://powerthoughtsmeditationclub.dpdcart.com/cart/add?product_id=134604&method;_id=143753 This vibration is considered the natural state of everything. Brainwaves 7.83 Hz - Schumann earth resonance. Grounding, meditative - Pure Binaural Beats (The Frequency of the Earth) Our hearing range is 20 - 20000Hz. This is a 7,83Hz binaural beat. Binaural beats are created by having to different frequencies in stereo (one left and one right), where the difference between the two create one frequency together. Here´s an example: the left frequency is set to lets say 170hz, and the right frequency is set to 177, 83hz. The difference between the two (177,83 - 170 = 7,83) creat...
Origin of Earth's magnetic field, new discoveries and new concepts, published in world-class scientific literature and explained here.
Earth’s magnetosphere protects us from harmful radiation in space, but scientists have just found a crack in it. Are we doomed? How Radiation Changes Your DNA - https://youtu.be/PQjL4ZDuq2o Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Scientists have detected a crack in Earth's magnetic shield http://www.sciencealert.com/scientists-have-detected-a-crack-in-earth-s-magnetic-shield “Scientists have been investigating one of the most powerful geomagnetic storms in recent history, and they’ve discovered that our protective barrier isn’t as secure as we thought it was. Turns out, our magnetosphere has been cracked.” Can Solar Flares Hurt Astronauts? http://www.universetoday.com/92897/can-solar-flares-hurt-astronauts/ “In a nutshell, cosmic rays are bad. Espe...
Discover how Earth’s magnetic field interacts with the solar wind and acts like a shield to protect Earth from damaging solar particles. Play the Sun Lab: http://www.pbs.org/wgbh/nova/labs/lab/sun/ Find discussion questions and other resources in the Sun Lab collection on PBS LearningMedia: http://www.pbslearningmedia.org/resource/nvsl.sci.space.magnetic/earths-magnetic-shield/
We live in a world impregnated with energy. It is everywhere! The human race already learned to use energy of water (hydroelectric power station), air (wind generator), nuclear energy (nuclear stations). Some advanced countries can even use energy of inflow, energy of the Sun (solar batteries). Earth is our home which protects us from space radiation with the help of geomagnetic field. It is the greatest power source. In due time the compass invention already turned a course of human history and allowed us to make intercontinental voyages, float quickly and easily, occupy all continents. Thanks to the Earth's magnetic field we can experience such miracle as the polar lights. It dements someone, and inspires others. Probably creators of this video are among mentally ill people, but it seems...
Discovery channel HD presents a nice detailed explanation about the Sun and how it has a direct effect on Earth's magnetic field. Most of you will say "I knew this already" which a lot of people do, but this clip has the clearest explanation on the Sun and it's positive and occasional negative effects on the Earth, and the people. Worth watching.
This video is in response to the numerous errors I have seen online regarding the earth's magnetic field. I hope you take a few minutes and can learn something interesting from this video. Here are links to the university and governmental websites that have this information wrong: Penn State: http://eqseis.geosc.psu.edu/~cammon/HTML/Classes/IntroQuakes/Notes/plate_tect01.html Bradford: http://www.brad.ac.uk/archaeomagnetism/archaeomagnetic-dating/introduction-to-archaeomagnetism/magnetic-field/ NOAA (The original picture has been taken down from their website 2 months after I emailed them about the error. Here is a mirror of it): http://www.creationoutreach.com/sitebuildercontent/sitebuilderpictures/magfieldbarmagn.gif NASA 1: http://denali.gsfc.nasa.gov/terr_mag/core.html NASA 2: http://...
Scientists are using clues from ancient artifacts to help them predict the future of the magnetic field. What Happens When Earth's Magnetic Poles Reverse? - https://youtu.be/Ou1BiorYRNU Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Go to http://graze.com and enter code SEEKER to get a free sampler box. Read More: Ancient Jars Hold Clues About Earth's Fluctuating Magnetic Fields https://www.nytimes.com/2017/02/14/science/magnetic-field-earth-jars.html?rref=collection%2Fcolumn%2Ftrilobites "Geoscientists have little knowledge of what has been occurring with the magnetic field during recent millenniums. The current decline could be just a squiggle of typical fluctuations. So they turned to pottery and the record keeping of ancient bureaucrats." Why Earth's Inner and ...
Earth's Force Field http://13chakras.com The Earths magnetic field, the protector of all life on Earth is under constant attack from deadly cosmic radiation. This invisible shield that we live in is weakening in a region over the South Atlantic, leaving it exposed to potentially lethal radiation. Is the Earth losing its magnetic field and doomed to a fate similar to Mars? Many scientists believe the answer lies in paleomagnetic data, and that this weakening may be a precursor to a magnetic field reversal; scientists know Earth is long overdue. However, humans were not around when the last reversal took place, so what does this mean for life? http://www.onehealsone.co.uk/13chakras.php
The sun has two planets in its Goldilocks zone: the Earth and Mars. The crucial difference: a magnetic field that protects us from the sun’s radiation and makes liquid water - and life - possible on Earth. | For more How the Universe Works, visit http://science.discovery.com/tv-shows/how-the-universe-works/#mkcpgn=ytsci1 Catch all new episodes of HOW THE UNIVERSE WORKS Wednesdays at 9/8c on Science Channel! Subscribe to Science Channel! | http://www.youtube.com/subscription_center?add_user=sciencechannel Check out SCI2 for infinitely awesome science videos. Every day. | http://bit.ly/SCI2YT Download the TestTube app! | http://testu.be/1ndmmMq
The earth itself vibrates as a resonance of 7.83Hz and better known as the "Schumann Resonance. MP3 available for sale HERE: https://powerthoughtsmeditationclub.dpdcart.com/cart/add?product_id=134604&method;_id=143753 This vibration is considered the natural state of everything. Brainwaves 7.83 Hz - Schumann earth resonance. Grounding, meditative - Pure Binaural Beats (The Frequency of the Earth) Our hearing range is 20 - 20000Hz. This is a 7,83Hz binaural beat. Binaural beats are created by having to different frequencies in stereo (one left and one right), where the difference between the two create one frequency together. Here´s an example: the left frequency is set to lets say 170hz, and the right frequency is set to 177, 83hz. The difference between the two (177,83 - 170 = 7,83) creat...
Origin of Earth's magnetic field, new discoveries and new concepts, published in world-class scientific literature and explained here.
Earth’s magnetosphere protects us from harmful radiation in space, but scientists have just found a crack in it. Are we doomed? How Radiation Changes Your DNA - https://youtu.be/PQjL4ZDuq2o Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Scientists have detected a crack in Earth's magnetic shield http://www.sciencealert.com/scientists-have-detected-a-crack-in-earth-s-magnetic-shield “Scientists have been investigating one of the most powerful geomagnetic storms in recent history, and they’ve discovered that our protective barrier isn’t as secure as we thought it was. Turns out, our magnetosphere has been cracked.” Can Solar Flares Hurt Astronauts? http://www.universetoday.com/92897/can-solar-flares-hurt-astronauts/ “In a nutshell, cosmic rays are bad. Espe...
Discover how Earth’s magnetic field interacts with the solar wind and acts like a shield to protect Earth from damaging solar particles. Play the Sun Lab: http://www.pbs.org/wgbh/nova/labs/lab/sun/ Find discussion questions and other resources in the Sun Lab collection on PBS LearningMedia: http://www.pbslearningmedia.org/resource/nvsl.sci.space.magnetic/earths-magnetic-shield/
We live in a world impregnated with energy. It is everywhere! The human race already learned to use energy of water (hydroelectric power station), air (wind generator), nuclear energy (nuclear stations). Some advanced countries can even use energy of inflow, energy of the Sun (solar batteries). Earth is our home which protects us from space radiation with the help of geomagnetic field. It is the greatest power source. In due time the compass invention already turned a course of human history and allowed us to make intercontinental voyages, float quickly and easily, occupy all continents. Thanks to the Earth's magnetic field we can experience such miracle as the polar lights. It dements someone, and inspires others. Probably creators of this video are among mentally ill people, but it seems...
Earth's Force Field http://13chakras.com The Earths magnetic field, the protector of all life on Earth is under constant attack from deadly cosmic radiation. This invisible shield that we live in is weakening in a region over the South Atlantic, leaving it exposed to potentially lethal radiation. Is the Earth losing its magnetic field and doomed to a fate similar to Mars? Many scientists believe the answer lies in paleomagnetic data, and that this weakening may be a precursor to a magnetic field reversal; scientists know Earth is long overdue. However, humans were not around when the last reversal took place, so what does this mean for life? http://www.onehealsone.co.uk/13chakras.php
The earth itself vibrates as a resonance of 7.83Hz and better known as the "Schumann Resonance. MP3 available for sale HERE: https://powerthoughtsmeditationclub.dpdcart.com/cart/add?product_id=134604&method;_id=143753 This vibration is considered the natural state of everything. Brainwaves 7.83 Hz - Schumann earth resonance. Grounding, meditative - Pure Binaural Beats (The Frequency of the Earth) Our hearing range is 20 - 20000Hz. This is a 7,83Hz binaural beat. Binaural beats are created by having to different frequencies in stereo (one left and one right), where the difference between the two create one frequency together. Here´s an example: the left frequency is set to lets say 170hz, and the right frequency is set to 177, 83hz. The difference between the two (177,83 - 170 = 7,83) creat...
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Gravity is the most obvious yet mysterious Law of the Universe. Where does Gravity come from? Is it the reason why we are here? Why do we explain Gravity as an absolute fact if we know so little about it? Could there be another force causing the Gravity we experience?... Find out what is really playing the force of Gravity. Flat earth Quantum Levitation, MUST SEE: https://youtu.be/Ws6AAhTw7RA Flat earth Electromagnetic Gravity example: https://youtu.be/1gMMM62NC-4 Frog in magnetic space, NO Astronauts Required!: https://youtu.be/KlJsVqc0ywM Thanks for watching and Remember to Like and (Subscribe).
A geomagnetic storm is a major disturbance of Earth's magnetosphere that occurs when there is a very efficient exchange of energy from the solar wind into the space environment surrounding Earth. These storms result from variations in the solar wind that produces major changes in the currents, plasmas, and fields in Earth’s magnetosphere. The solar wind conditions that are effective for creating geomagnetic storms are sustained (for several to many hours) periods of high-speed solar wind, and most importantly, a southward directed solar wind magnetic field (opposite the direction of Earth’s field) at the dayside of the magnetosphere. This condition is effective for transferring energy from the solar wind into Earth’s magnetosphere. The largest storms that result from these conditions are ...
Palaeomagnetic observations offer important insights into the origin of Earth's interior, but a detailed reconstruction of the underlying dynamics is not feasible. A practical alternative is to construct a stochastic model for the time evolution of the dipole field. Slow changes in the field are described by a deterministic (drift) term, whereas short-time fluctuations are represented by a random (noise) term. Estimates for the drift and noise terms can be recovered from a time series of variations in the axial dipole moment over the past 2 million years. The results are used to predict a number of statistical properties of the palaeomagnetic field, including the average rates of magnetic reversals and excursions. Dr. Buffet will explain how a physical interpretation of the stochastic mo...
Earth, also called the world and, less frequently, Gaia (and Terra in some works of science fiction) is the third planet from the Sun, the densest planet in the Solar System, the largest of the Solar System's four terrestrial planets, and the only astronomical object known to accommodate life. The earliest life on Earth arose at least 3.5 billion years ago. Earth's biodiversity has expanded continually except when interrupted by mass extinctions.[31] Although scholars estimate that over 99 percent of all species, amounting to over five billion species, that ever lived on the planet are extinct, Earth is currently home to 10–14 million species of life, of which about 1.2 million have been documented and over 86 percent have not yet been described. Over 7.3 billion humans depend upon its...
7.83 Hz | The Powerful Healing Frequency of Earth's Magnetic Field | Boost Positive Energy The earth itself vibrates as a resonance of 7.83Hz and better known as the "Schumann Resonance. Our hearing range is 20 - 20000Hz. This is a 7,83Hz binaural beat. Binaural beats are created by having to different frequencies in stereo (one left and one right), where the difference between the two create one frequency together. Here´s an example: the left frequency is set to lets say 170hz, and the right frequency is set to 177, 83hz. The difference between the two (177,83 - 170 = 7,83) creates the frequency of the binaural beat. 170Hz is a frequency we easily can hear. Binaural beats can be created at a lower or higher frequencies than this within the 20Hz - 20000Hz range. So if we took 528Hz on the ...