When I started researching all this mostly after October 2012 I started to learn the relationship between Solar Flares, Interplanetary magnetic fields, Solar Magnetic fields, the magnetosphere of earth, Geomagnetic reversals and geomagnetic excursions and found them all interrelated as far as all DNA on earth is concerned. I also realized likely 99% of the people of earth don't understand all these relationships or how the present degradation of the magnetosphere jeopardizes human genetics ongoing unless people start living more underground so their DNA doesn't mutate so much world wide. This is true whether or not we presently are in either a geomagnetic reversal or geomagnetic excursion. I presently am convinced we are going through either one or the other. One of the effects of this is the reduction of the magnetosphere to 5% to 10% of normal strength for the magnetosphere. This will greatly mutate all dna on the planet over time(hundreds or thousands of years). Some for the better some for the worse. It's hard to say what the full effects will be. Seeing will be believing in the end.
Note: when I tried to find the following at the original spaceweather.com site I was unable to, so after this since I can't get the word buttons to work anymore on this I'm following this with the Wikipedia site on "The interplanetary magnetic field so you can make those word buttons work as you have questions.
Friday, November 23, 2012
The Interplanetary Magnetic Field
It comes from the Sun!
back to spaceweather.com
During solar minimum the Sun's magnetic field, like Earth's, resembles that of an iron bar magnet, with great closed loops near the equator and open field lines near the poles. Scientists call such a field a "dipole." The Sun's dipolar field is about as strong as a refrigerator magnet, or 50 gauss. Earth's magnetic field is 100 times weaker.
During
the years around solar maximum (2000 and 2001 are good examples)
spots pepper the face of the Sun. Sunspots are places where intense
magnetic loops -- hundreds of times stronger than the ambient
dipole field -- poke through the photosphere. Sunspot magnetic
fields overwhelm the underlying dipole; as a result, the Sun's
magnetic field near the surface of the star becomes tangled and
complicated.The Sun's magnetic field isn't confined to the immediate vicinity of our star. The solar wind carries it throughout the solar system. Out among the planets we call the Sun's magnetic field the "Interplanetary Magnetic Field" or "IMF." Because the Sun rotates (once every 27 days) the IMF has a spiral shape -- named the "Parker spiral" after the scientist who first described it.
Above: Steve Suess (NASA/MSFC) prepared this figure, which shows the Sun's spiraling magnetic field from a vantage point ~100 AU from the Sun.
Earth has a magnetic field, too. It forms a bubble around our planet called the magnetosphere, which deflects solar wind gusts. (Mars, which does not have a protective magnetosphere, has lost much of its atmosphere as a result of solar wind erosion.) Earth's magnetic field and the IMF come into contact at the magnetopause: a place where the magnetosphere meets the solar wind. Earth's magnetic field points north at the magnetopause. If the IMF points south -- a condition scientists call "southward Bz" -- then the IMF can partially cancel Earth's magnetic field at the point of contact.
Above: Earth's magnetosphere. From the Oulu Space Physics Textbook.
Southward Bz's often herald widespread auroras, triggered by solar wind gusts or coronal mass ejections that are able to inject energy into our planet's magnetosphere.
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This has all been a quote from:
spaceweather.com
The concept of an Interplanetary Magnetic Field is a new one tonight for me. I wasn't sure something like this even existed before, even though it is quite logical that it existed since the sun has existed. It's a pretty amazing voyage of discovery regarding how the Sun keeps the whole Solar System functioning the way it does in so many ways.
Conceptually, this likely also means that there are these types of magnetic fields for all stars. It could also mean that these magnetic fields are there in fields related to more than one star in a group and possibly even a magnetic field that holds the whole galaxy together which we also would be a part of here in the Solar System.
Also, we presently are in a solar Maximum that will last from around 2012 to 2014 or 2015.
Since this particular Solar Maximum is so intense it reminds scientists of the one that created the Carrington Event in 1859.
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Interplanetary magnetic field - Wikipedia, the free ...
en.wikipedia.org/wiki/Interplanetary_magnetic_field
The interplanetary magnetic field
(IMF) is the term for the solar magnetic field carried by the solar
wind among the planets of the Solar System. The heliospheric ...
Wikipedia
Interplanetary magnetic field
From Wikipedia, the free encyclopedia
The interplanetary magnetic field (IMF) is the term for the solar magnetic field carried by the solar wind among the planets of the Solar System.
The heliospheric current sheet is a three-dimensional form of a Parker spiral that results from the influence of the Sun's rotating magnetic field on the plasma in the interplanetary medium.[1]
Since the solar wind is a plasma, it has the characteristics of a plasma, rather than a simple gas. For example, it is highly electrically conductive so that magnetic field lines from the Sun are carried along with the wind. The dynamic pressure of the wind dominates over the magnetic pressure through most of the solar system (or heliosphere), so that the magnetic field is pulled into an Archimedean spiral pattern (the Parker spiral) by the combination of the outward motion and the Sun's rotation. Depending on the hemisphere and phase of the solar cycle,
the magnetic field spirals inward or outward; the magnetic field
follows the same shape of spiral in the northern and southern parts of
the heliosphere, but with opposite field direction. These two magnetic
domains are separated by a two current sheet (an electric current that is confined to a curved plane). This heliospheric current sheet has a shape similar to a twirled ballerina skirt, and changes in shape through the solar cycle as the Sun's magnetic field reverses about every 11 years.
A video simulation of Earth's magnetic field interacting with the (solar) interplanetary magnetic field (IMF)
The plasma in the interplanetary medium
is also responsible for the strength of the Sun's magnetic field at the
orbit of the Earth being over 100 times greater than originally
anticipated. If space were a vacuum, then the Sun's magnetic dipole
field, about 10−4 teslas at the surface of the sun, would reduce with the inverse cube of the distance to about 10−11 teslas. But satellite observations show that it is about 100 times greater at around 10−9 teslas. Magnetohydrodynamic
(MHD) theory predicts that the motion of a conducting fluid (e.g. the
interplanetary medium) in a magnetic field, induces electric currents
which in turn generates magnetic fields, and in this respect it behaves
like a MHD dynamo.
See also
References
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Wikimedia Commons has media related to Interplanetary magnetic field. |
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