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At first glance it seems that the sun s atmosphere called the corona is.
The solar corona is much cooler than the sun surface. The sun s corona is much hotter by a factor from 150 to 450 than the visible surface of the sun. It s just weird says winebarger. Yet the corona is hundreds of times hotter than the sun s surface. The corona is 10 12 times as dense as the photosphere and so produces about one millionth as much visible light.
But the temperature at the sun s surface the source of that energy is a relatively balmy 5 500 degrees. The photosphere s average temperature is around 5 800 kelvin compared to the corona s 1 to 3 million kelvin. Light shone on star mystery. The corona is much hotter.
The corona is in the outer layer of the sun s atmosphere far from its surface. Which means that the average speeds of the particles in the corona is much higher than at the surface of the sun. Although the reason is unknown the sun s corona is hotter by a factor of 150 450 than the effective temperature on the surface of the sun. Why sun s corona is much hotter than its surface.
The temperature in the corona is a blistering million or so degrees celsius. The mission discovered packets of very hot material called heat bombs that travel from the sun into the corona. One of the biggest mysteries in solar physics is how is it possible that the sun s surface is colder than its atmosphere. A nasa mission called iris may have provided one possible answer.
Corona is the place where flares or solar surface explosions cause sudden energy release fig 1 and these mass ejections are closely related to the occurrence of magnetic storms on earth.
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Corona is the place where flares or solar surface explosions cause sudden energy release fig 1 and these mass ejections are closely related to the occurrence of magnetic storms on earth. A nasa mission called iris may have provided one possible answer. One of the biggest mysteries in solar physics is how is it possible that the sun s surface is colder than its atmosphere.
