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The Sun’s New Hobby

March 30, 2014

Credit: NASA
Your rating: None Average: 5 of 5 (6 votes)

Everyone needs a hobby. On March 29, we saw the Sun’s newest hobby. It knit a “Magnetic Crochet” high in our sky.

A giant lacey network of rippling electric currents covered the Earth’s upper atmosphere. None of these currents touched the globe’s surface or threatened our electrical grid. Scientists name this rare and rather beautiful effect a “Magnetic Crochet”.

The Sun knit a magnetic crochet. Source: NASA

On March 29, a large solar flare thrown off by a sunspot caused a surge of electrical currents to dance through the skies 37 to 62 miles above the surface. Unlike most geomagnetic storms, which cause auroras, this occurred as the Sun flared. Most geomagnetic storms arrive a day after the flare, giving electrical grids, satellites and other utilities time to prepare. Thank goodness, unlike large geomagnetic storms, these magnetic crochets are harmless.

All of this is occurring during a period of increased solar activity. The sun usually goes through an 11-year cycle. At the beginning of the cycle, it is very quiet and there are almost no sunspots. Gradually it becomes more active, increasing in both sunspots and overall radiation. When the sunspot number reaches a peak, it is followed by a 3-year flurry of storms. Then it quiets until the end of the cycle and the beginning of a new one.

The Sun goes through 11-year cycles of high and low activity. Source: NASA

This cycle has been very quiet. It seemed to have peaked back in late 2011 and then settled down. This worried some scientists since it meant the entire 11-year cycle had not radiated as much energy as previous recent cycles. Then, in January, the sun woke up. By late February, it reached a new higher peak than before. It currently has 132 sunspots swirling and sputtering on its surface.

In February, this solar cycle had a new peak of high radiation and activity. Source: NASA

No wonder it has enough energy to take up a new hobby and decorate the Earth with a Magnetic Crochet! Now if would just give us a nice warm summer.

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Evelyn Browning Garriss, historical climatologist, blogger, writer for The Old Farmer's Almanac, and editor of The Browning Newsletter, has advised farmers, businesses, and investors worldwide on upcoming climate events and their economic and social impact for the past 21 years.

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This is amazing information

By michelsotern

This is amazing information on the Sun. my kid is interested in learning about the outer world. I think this will be interesting to him.

I hope he enjoys it. Back

By Evelyn Browning...

I hope he enjoys it. Back when I was earning my graduate degrees I taught both elementary and high school -- and I love working with kids. We need more minds like his!

I love reading through an

By Darcy_8552

I love reading through an article that can make men and women think. Also, thanks for allowing for me to comment!

Thank you! Comments are

By Evelyn Browning...

Thank you! Comments are always appreciated.

The activity on the sun does

By Brenda Lynn

The activity on the sun does affect our weather. The years where there were more sunspots were actually relatively warmer than the years where the sun was quiet. Since the sun is active this year, it could mean a warm summer? Lets hope so! I have a feeling this is going to be a very muggy summer filled with uncomfortable sticky days here in the Mid-Atlantic. I think moisture from the gulf and an active southern jet will supply us with lots of humidity and with that comes thunderstorms. Accuweather says the eastern US will warm dramatically in May so a warm summer could very well be on its way. It's April and the jet stream is showing signs of lifting to the north! And there is an old wives tale I remember hearing.. "The colder the winter, the hotter the summer"

One of the reason's the Old

By Evelyn Browning...

One of the reason's the Old Farmer's Almanac has lasted so long is that it has recognized the sun's role in shaping weather and climate!

The Atlantic is warmer than average, so we may finally be getting some decent heat to fight the prolonged cold. And remember . . . the reason old wives' tales survive is that they are so frequently right.

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