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Old 08-19-2013, 12:18 PM   #1
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Default The Sun's Magnetic Field is about to Flip

August 5, 2013: Something big is about to happen on the sun. According to measurements from NASA-supported observatories, the sun's vast magnetic field is about to flip.
"It looks like we're no more than 3 to 4 months away from a complete field reversal," says solar physicist Todd Hoeksema of Stanford University. "This change will have ripple effects throughout the solar system."

A new ScienceCast video anticipates the reversal of the sun's global magnetic field. Play it
The sun's magnetic field changes polarity approximately every 11 years. It happens at the peak of each solar cycle as the sun's inner magnetic dynamo re-organizes itself. The coming reversal will mark the midpoint of Solar Cycle 24. Half of 'Solar Max' will be behind us, with half yet to come.
Hoeksema is the director of Stanford's Wilcox Solar Observatory, one of the few observatories in the world that monitor the sun's polar magnetic fields. The poles are a herald of change. Just as Earth scientists watch our planet's polar regions for signs of climate change, solar physicists do the same thing for the sun. Magnetograms at Wilcox have been tracking the sun's polar magnetism since 1976, and they have recorded three grand reversals—with a fourth in the offing.

Astronomers at the Wilcox Solar Observatory (WSO) monitor the sun's global magnetic field on a daily basis. WSO home page
Solar physicist Phil Scherrer, also at Stanford, describes what happens: "The sun's polar magnetic fields weaken, go to zero, and then emerge again with the opposite polarity. This is a regular part of the solar cycle."
A reversal of the sun's magnetic field is, literally, a big event. The domain of the sun's magnetic influence (also known as the "heliosphere") extends billions of kilometers beyond Pluto. Changes to the field's polarity ripple all the way out to the Voyager probes, on the doorstep of interstellar space.
When solar physicists talk about solar field reversals, their conversation often centers on the "current sheet." The current sheet is a sprawling surface jutting outward from the sun's equator where the sun's slowly-rotating magnetic field induces an electrical current. The current itself is small, only one ten-billionth of an amp per square meter (0.0000000001 amps/m2), but there’s a lot of it: the amperage flows through a region 10,000 km thick and billions of kilometers wide. Electrically speaking, the entire heliosphere is organized around this enormous sheet.
During field reversals, the current sheet becomes very wavy. Scherrer likens the undulations to the seams on a baseball. As Earth orbits the sun, we dip in and out of the current sheet. Transitions from one side to another can stir up stormy space weather around our planet.

An artist's concept of the heliospheric current sheet, which becomes more wavy when the sun's magnetic field flips. More
Cosmic rays are also affected. These are high-energy particles accelerated to nearly light speed by supernova explosions and other violent events in the galaxy. Cosmic rays are a danger to astronauts and space probes, and some researchers say they might affect the cloudiness and climate of Earth. The current sheet acts as a barrier to cosmic rays, deflecting them as they attempt to penetrate the inner solar system. A wavy, crinkly sheet acts as a better shield against these energetic particles from deep space.
As the field reversal approaches, data from Wilcox show that the sun's two hemispheres are out of synch.
"The sun's north pole has already changed sign, while the south pole is racing to catch up," says Scherrer. "Soon, however, both poles will be reversed, and the second half of Solar Max will be underway."
When that happens, Hoeksema and Scherrer will share the news with their colleagues and the public.
Stay tuned to Science@NASA for updates.IS THIS SOURCE OK WITH YOU WAGS?

http://science.nasa.gov/science-news...aug_fieldflip/
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Old 08-19-2013, 12:47 PM   #2
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Meaning what?

Absolutely nothing.
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Old 08-19-2013, 03:49 PM   #3
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When was that big lineup of all the planets supposed to happen? Did that already happen, or are we still waiting for it?
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Old 08-19-2013, 04:11 PM   #4
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When was that big lineup of all the planets supposed to happen? Did that already happen, or are we still waiting for it?
You mean the Harmonic Convergence?

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According to Neil Michelsen's "The American Ephemeris," on 24 August 1987 there was an exceptional alignment of planets in the solar system. Eight planets were aligned in an unusual configuration called a grand trine.
The Sun, Moon and six out of eight planets formed part of the grand trine, that is, they were aligned at the apexes of an equilateral triangle when viewed from the Earth.
The Sun, Moon, Mars and Venus were in exact alignment, astrologically called a conjunction at the first degree of Virgo in Tropical Astrology. Mercury was in the fourth degree of Virgo which most astrologers count as part of the same conjunction being within the "orb" of influence.[1] Jupiter was in Aries, and Saturn and Uranus in Sagittarius completing the grand trine. However some believe that this is an Earth Grand Trine with Sun/Moon/Mars/Venus/Mercury in the initial degrees of Virgo, Neptune at 5 degrees of Capricorn, and Jupiter in the last degree of Aries (anaretic degree), on the cusp of Taurus. Uranus, and especially Saturn are on the edge of this trine.
Controversy is associated to the claim that this occurrence was a unique event. Grand Trines, where planets are at 120 degree positions forming an equilateral triangle are not uncommon or particularly noteworthy. Traditional Astrology does not consider Trines to be action points, so the notion of a special shift in world history would not be in the offing under a Grand Trine. Hence, many traditional astrologers do not regard this occurrence to be of significant importance.
*Cough* Bullsh*Cough* *Cough*
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Old 08-19-2013, 04:29 PM   #5
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One of these could knock out satellites and take down the electric grid. MHG

A near miss for Earth: Solar flare that could have knocked out power, cars and phones came so close two weeks ago


By ELLIE ZOLFAGHARIFARD

Read more: http://www.dailymail.co.uk/sciencete...#ixzz2cScXm3at
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Old 08-19-2013, 06:53 PM   #6
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You mean the Harmonic Convergence?



*Cough* Bullsh*Cough* *Cough*
Not that one. I remember that one. This was the one where all the planets were in a straight line. Was that last December? Anyway, the world was supposed to end.
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Old 08-19-2013, 06:57 PM   #7
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Not that one. I remember that one. This was the one where all the planets were in a straight line. Was that last December? Anyway, the world was supposed to end.
Just wait. The end is nigh, and all the people who were smart enough to expatriate and live a prepper website will be laughing at you from their turnip fields.
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Old 08-19-2013, 07:31 PM   #8
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Just wait. The end is nigh, and all the people who were smart enough to expatriate and live a prepper website will be laughing at you from their turnip fields.

Whatever I am it's not an asshoole like yourself. Either you are a little whimp that everybody picks on or you are a friendless recluse. Either way Glad I'm not you.
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Old 08-19-2013, 07:56 PM   #9
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Whatever I am it's not an asshoole like yourself. Either you are a little whimp that everybody picks on or you are a friendless recluse. Either way Glad I'm not you.
Who says I was talking about you?
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Old 08-19-2013, 07:57 PM   #10
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Who says I was talking about you?
Who says I thought you were?
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Old 08-19-2013, 07:58 PM   #11
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Who says I thought you were?
An a-hole told me.
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Old 08-19-2013, 08:02 PM   #12
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So you talk to yourself?
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Old 08-19-2013, 08:10 PM   #13
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Can't we all just get along?
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Old 08-19-2013, 08:58 PM   #14
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Can't we all just get along?
Hey I happen to like turnips, thankyouverymuch.
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Old 08-20-2013, 10:19 AM   #15
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Good. The Rise of the Gingers is near. The Age of Baja is ending.
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Old 08-20-2013, 11:36 AM   #16
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Can't we all just get along?


(fyi, this guy was not a very good swimmer)
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Old 08-20-2013, 11:37 AM   #17
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Good. The Rise of the Gingers is near. The Age of Baja is ending.
Oh yessss!

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Old 08-20-2013, 11:50 AM   #18
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Oh yessss!

She may be fine, but still, after a couple of weeks she'd be bugging you to pick up your socks.
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Old 08-20-2013, 11:57 AM   #19
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Run for the hills! Find a more remote hidey hole. QUICK!
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Old 08-20-2013, 12:08 PM   #20
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Old 08-20-2013, 12:18 PM   #21
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She may be fine, but still, after a couple of weeks she'd be bugging you to pick up your socks.
She's also not a natural redhead, a fact a found out much to my chagrin.

Still be good for a roll in the sack, though.
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