VIDEO OF THE MIGHTY POWER OF SUN FLARES – BE AMAZED

I THANK THE AUTHOR FOR THIS MIGHTY INSIGHT INTO THE SUN

If you look at our Sun the right way, it is magnificent. For proof, I offer this stunningly beautiful video of the nearest star taken on July 19, 2012 by NASA’s Solar Dynamics Observatory. If you can watch this without your jaw hanging open and your mind aflame with wonder, then I cannot help you.

What you’re seeing is the profound impact of magnetism on the material in the Sun. I’ve described this effect before (with lots of juicy details here), but in a nutshell: The gas inside the Sun is so hot it’s ionized, stripped of electrons. When that happens it’s more beholden to magnetism than gravity, and when the magnetic field lines pierce the Sun’s surface they form loops along which the ionized gas (called plasma) flows along them.

The bright flare happens when the stored magnetic energy erupts outward, usually due to what is essentially a short-circuit in the field. That happens near the beginning of the video, and is so bright it saturates SDO’s detectors (and you can see repeated ghost images to the upper left and right of the flare as the light reflects inside SDO’s optics). Then things settle down, and that’s when the beauty really begins: The plasma flows down the loops, raining down onto the Sun’s surface.
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And it goes on and on. This video represents a total elapsed time of over 21 hours.* The energy flowing along those magnetic loops is immense, enough to power our entire planet for many millennia. Note the part about a minute in when the size of the Earth is shown for comparison. Incredible.

Although this looks like fire, it’s not. The images used to make this video are in the far ultraviolet, showing gas at a temperature of nearly 100,000° Celsius (180,000° F). The color is added after the fact to make details easier to see—but those fiery red, yellows, and oranges do tickle the imagination, don’t they? The color adds to the impression of dancing energy and heat.

That barely constrained violence can be difficult to square with the grace and elegance of the motion. The Sun can damage our civilization, yet we also depend on it for our existence. But there you go: The Universe is full of such dichotomies.

It is harsh, inhospitable, destructive, and capable of crushing indifference.

It is pleasing, habitable, serene, and capable of life-altering beauty.

I wouldn’t have it any other way.

Sourced from SLATE & published here for your viewing by Henry Sapiecha


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