Coronal Loops And A Solar Optical Illusion
Tuesday, July 16, 2013 - 17:40
in Astronomy & Space
If the Sun's outer atmosphere - corona - is so hot, why does it always look so cool?The Sun's visible surface is 'only' 10,000 degrees Fahrenheit, but as you move outward the temperature shoots up to millions of degrees. It's like a campfire that feels hotter the farther away you stand. That defies common sense, but so do dogs named Checkers and Esther Williams swimming pools so let's talk about coronal loops. read more