The Sun seems to be having digestive problems, and just burped this 700,000-kilometer-long magnetic filament. That's half the diameter of the Sun or about two times the distance from the Earth to the Moon. Fortunately, it's not headed our way.


According to NASA, the massive fire tongue "has hovered quietly above the stellar surface, but now it is showing signs of instability." They are "unstable and often break away from the Sun." [NASA]

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