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Article Images

The Sun comes back to life

30 March 2010

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The return of sunspots during the winter months of 2009-2010. These data were taken using the Michelson Doppler Imager (MDI) instrument onboard SOHO.

Credits: SOHO/MDI (ESA & NASA)

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Artist's impression of the SOHO spacecraft.

Credits: ESA (Image by Total Design)

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The return of solar activity in late 2009 is captured by SOHO's EIT instrument. Active regions show up as bright spots. The Extreme ultraviolet Imaging (EIT) Telescope took these images at a wavelength of 284 nanometres, which corresponds to the wavelength of ionized iron (Fe XIV).

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