No, of course not the brand of Mexican beer, but the outer layer of the sun. Normally invisible from the Earth as it is much less bright as the inner parts of the sun. Strangely enough, it’s less bright but much hotter as the inner parts. The temperature at the surface of the sun is around 6000K, while the temperature of the corona can be up to 20 million Kelvin. Apart from the corona (the white layer around the Moon in this picture) also several solar prominences can be seen. Prominences are large gaseous extensions from the sun, that can measure many thousands of kilometres. These are visible as the red parts at the edge of the dark moon.

Arjen Drost

Arjen is a Polar ecologist, nature photographer and full time expedition guide on expedition cruise ships in both Polar regions. With his pictures and stories he likes to show the beauty of these very fragile and threatened places.

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