Apr 11

Solar activity heats up

Source: NASA News
YouTube Video: NASA Science Casts


Back in 2008, the solar cycle plunged into the deepest minimum in nearly a century. Sunspots all but vanished, solar flares subsided, and the sun was eerily quiet.

With a burst of solar flares and Northern Lights, the sun is waking up from a three-year slumber.(read more)

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