The Solar Atmosphere

The sun does not have a surface as such. What we call its surface is just the layer that emits the most light. Let's begin our journey at the outer layers of the sun (the layers that we can actually see), and work our way in. When you look up at the sun during the day, what you are really looking at is the sun's photosphere. The layer from which the visible photons that we see arise, the photosphere has a temperature of about 6,000 K. Lower layers are hidden behind the photosphere, and higher layers are so diffuse and faint (though very hot) that we only see them during total solar eclipses or with special satellites. Above the photosphere in the solar atmosphere are the chromosphere, the transition zone, and the corona. As we move higher in the sun's atmosphere, the temperatures rise dramatically.

Telescopes Mastery

Telescopes Mastery

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