Watch this 4K footage of a big filament eruption on sun triggering a long duration flare

NASA's Solar Dynamics Observatory captured a magnetic filament erupting on the Sun. The filament was "connected to sunspot AR3229" triggered a long duration M3-class flare and resulting coronal mass ...

Sun blasts X1-class solar flare! See spacecraft footage in 4K

Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...
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The sun is at its 11-year maximum. That means another year of eruptions that can endanger satellites, ground flights, and spark stunning auroras.

NASA says the sun is in the highly active "maximum phase" of its 11-year solar cycle. That means there will probably be big solar storms bringing beautiful aurora in the next year or so. Solar ...