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As sun flips polarity, scientists are bemused

The sun is well into a flip in polarity - with its north and south poles swapping places - but the process isn't going as expected, scientists say. read more
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Our Magnetic Poles Could Swap Sooner Than We Thought

Academics / General Science : Science & Health from Newser

Earth's magnetic field is weakening at 10 times the rate experts thought it was—and that could mean a reversal of the magnetic north and south poles could be coming sooner than expected. But don't panic just yet: Scientists are talk...

Magnetic pole reversal happens all the (geologic) time

Academics / General Science : Science Daily

Scientists understand that Earth's magnetic field has flipped its polarity many times over the millennia. The answer, from the geologic and fossil records we have from hundreds of past magnetic polarity reversals, seems to be "no."

Things I Didn't Know

US Politics / Liberal : Talking Points Memo Editor's Blog

The sun "sheds" its magnetic field on a fairly regular 11-year cycle, during which north and south polarity swap places. But this time around the reorientation is happening at different rates, with one pole reemerging faster than th...

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About every 11 years the magnetic field on the sun reverses completely – the north magnetic pole switches to south, and vice versa. This flip coincides with the greatest solar activity seen on the sun in any given cycle, known...

The sun has “flipped upside down”: NASA

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The sun has “flipped upside down”, with its north and south poles reversed to reach the midpoint of Solar Cycle 24, Nasa has said. Now, the magnetic fields will once again start moving in opposite directions to begin the completion ...

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