Hey Sun, Why So Serious?
https://www-newz.blogspot.com/2015/02/hey-sun-why-so-serious.html
NASA's Solar Dynamics Observatory captured a huge filament on the unhappy face of our Sun on February 10th. The scary fissure, which looks like a grimace on the surface of the star, is actually an enormous swatch of colder material hovering in the sun's atmosphere
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