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Why are sunspots forming in the southern hemisphere?

 
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User ID: 16853280
United States
05/29/2012 10:01 AM
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Why are sunspots forming in the southern hemisphere?
Just curious
Anonymous Coward
User ID: 16779036
United Kingdom
05/29/2012 10:12 AM
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Re: Why are sunspots forming in the southern hemisphere?
They form in both hemispheres - that's how sunspots work.

At the beginning of the cycle, the first sunspots will form well above, and below, the sun's equator.

As the cycle matures, the migrate towards the equator, until the peak is reached when the Northern and Southern spots 'meet in the middle'

Then as the cycle fades, equatorial spots will fade with the cycle, until the sun becomes more or less 'blank' aorund minimum - before startinng the next cycle again, with spots quite far north and/or quite far south.
Anonymous Coward
User ID: 16779036
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05/29/2012 10:16 AM
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Re: Why are sunspots forming in the southern hemisphere?
Oh - and the greatest risk from flares comes when the spots are nearest the equator - front and centre.

The Sun is a ball - so when flares go off above or below the equator, the majority of the effects will pass 'above' or 'below' Earth - in the same way those tha fire off when they are east or west of the centre, will mostly pass left or right of us.
Anonymous Coward
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05/29/2012 10:24 AM
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Re: Why are sunspots forming in the southern hemisphere?
Oh - and the greatest risk from flares comes when the spots are nearest the equator - front and centre.

The Sun is a ball - so when flares go off above or below the equator, the majority of the effects will pass 'above' or 'below' Earth - in the same way those tha fire off when they are east or west of the centre, will mostly pass left or right of us.
 Quoting: Anonymous Coward 16779036


in terms of earth, not always so, as the earth orbit is not perfectly around the equator of the sun at all times, its lopsided.
Anonymous Coward
User ID: 16779036
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05/29/2012 10:27 AM
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Re: Why are sunspots forming in the southern hemisphere?
in terms of earth, not always so, as the earth orbit is not perfectly around the equator of the sun at all times, its lopsided.
 Quoting: Nobody in Particular

Yes, but only by about 7º
I was speaking in general terms.
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User ID: 16853280
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05/29/2012 11:03 AM
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Re: Why are sunspots forming in the southern hemisphere?
thanks!
Anonymous Coward
User ID: 1406002
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05/29/2012 12:38 PM
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Re: Why are sunspots forming in the southern hemisphere?
scientist said they havent seen this happen before
Anonymous Coward
User ID: 16779036
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05/29/2012 12:48 PM
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Re: Why are sunspots forming in the southern hemisphere?
scientist said they havent seen this happen before
 Quoting: Anonymous Coward 1406002

Dunno who told you that, but it's BS.

I DEFINITELY saw it during the last cycle (early 2000s), and the one before that...(Late 80s/early 90s)

Probably many times befroe that too - but I have definite memories of it from at least the last two solar cycles





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