28 March 2024 - Mission Day: 10345 - DOY: 088
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This collage of images taken in the 284 Angstrom wavelength of extreme ultraviolet light shows the Sun as it changed through almost two complete solar cycles. A solar activity cycle lasts 11 years on average. During a solar cycle the number of sunspots and level of solar activity dramatically rise and fall in a bell-shaped curve. The change is being driven by the gradual reversal of the Sun's magnetic field during that 11-year cycle. The brighter areas in the extreme ultraviolet correspond to areas of strong magnetic field. The remarkable record of long-term observations by SOHO has significantly advanced our understanding of the Sun's processes.

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Last modification: July 27, 2020

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