rajni_bhan

· 31 Dec 2021

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Why Is Sun So Hot?

There is nothing to be astonished by why the sun is so hot. The sun's surface has roughly 10,000 degrees Fahrenheit, which appears to be plenty warm. However, there is something called the corona that surrounds the sun. This superheated gas envelope — plasma, to be precise — has a temperature of almost 3 million degrees. The thing that perplexes scientists is this: because the sun's heat source (which they understand) is at its core, it should cool as you walk away from it. They don't see it that way, though. So, even the sun is right there, and there's no way to explain why the corona is much hotter than other levels. As a result, solar physicists are primarily interested in finding ways to accelerate this material in a unique way to the scorching corona.

A Long-Standing Unsolved Mystery:

It's difficult to observe without being overwhelmed with light from across the sun's surface, even with sophisticated tools. However, this does not imply that it discover recently. It can see in the occasional but predictable total solar eclipses that have captivated humanity for millennia. Astronomers used a solar eclipse in 1869 to observe the sun's newly visible outermost layer.

They even used a spectrometer to fingerprint the mysterious material by shining it into a translucent light. Scientists discovered the familiar element iron, heated to unheard-of millions of degrees, seventy years later. It is hundreds of times the warmth of the sun's surface, and it was perplexing.

What Is The Purpose Of Magnets?

We don't comprehend many of the small-scale events on the sun, which is part of the problem. We know it does its job of warming our globe and have a general understanding of how it does so. However, the magnitude of the materials and forces at action does not exist in a more accessible laboratory. It is tough to get close enough to the sun to examine it in detail. The sun, however, is an exception. The sun rotates, but its poles and equator rotate at different speeds because it is not solid.

Like a saucepan of boiling water, the sun also bubbles stuff up and down through its layers. The result is a jumble of magnetic field lines. The charged particles that make up the sun's outer layers travel down these lines as if they were trains on a high-speed track. These lines tangle and rejoin, unleashing tremendous amounts of energy (solar flares) or allowing charged particles to fly off the tracks at breakneck speed into space (a coronal mass ejection).

However, it's plausible that behind what we see, the sun is undergoing near-constant nanoflares – little flares soaring to tens of millions of degrees that, when added together, might cause the corona's sweltering temperatures.

Conclusion:

After all, heat is nothing more than particles travelling at a high rate. Why is the sun hot? The more quickly particles move, the hotter they become. Waves through the sun's interior might blast the sun's outermost layer out, similar to how an ocean wave can bring water smashing to the beach at extreme speeds. However, scientists have known for decades that acoustic waves ( vibrations travelling through the sun in the same way sound waves travel through air) do not carry enough energy to be the source.