Saturday, January 21, 2017


The Sun in 2016
Credit: ESA/Royal Observatory of Belgium

This is what the sun looked like every day in 2016 through the eyes of the European Space Agency's Proba-2 satellite. The satellite's SWAP camera can detect extreme ultraviolet wavelengths, which allows it to observe the hot, turbulent atmosphere of the sun's corona. On its way to the minimum of its 11-year solar cycle, the number of sunspots and solar flares are diminishing. — Hanneke Weitering

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