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The Sun can neatly be divided into three parts; the Corona (the
plasma 'atmosphere' of the Sun), the surface, and the core. The
temperature of each is different.
The corona is much hotter than the sun's visible
surface. The temperature in the corona reaches five million degrees
Kelvin, or approximately 8,999,540 degrees Fahrenheit. The temperature
on the surface of the sun only reaches 5,780 degrees Kelvin, or
9,944 degrees Fahrenheit. Sun spots, which appear periodically
on the surface of the Sun, are cooler than the surrounding surface.
The core of the Sun is the hottest by far, reaching
an average temperature of 13,600,000 degrees Kelvin, or more than
twenty four million degrees Fahrenheit.
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