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Giant Solar Flare Leaps From Sun
Eruption from sun's surface is 20 times as long as Earth is wide.
Final Frontier: Images From Far Reaches of the Universe
A solar eruption rising from the surface of the sun, as seen by NASA's Solar Dynamics Observatory in Earth orbit. This flare extends about 160,000 miles out into space. Earth is about 7,900 miles in diameter, so this relatively minor eruption is about 20 times as long as our planet is wide. (NASA/SDO)
