Guest Pic of the Day: A Solar Flare Photographed by a Plucky NASA Spacecraft

Pic of the Day

The sun emitted it’s biggest solar flare of the year so far, and NASA’s Solar Dynamics Observatory spacecraft was there to capture all of the action.

You can see the flare exploding off the right side of the Sun in the image above, acquired by SDO at 11:24 p.m. EST yesterday (January 12th).

Here’s a brief explanation of solar flares from NASA’s Goddard Space Flight Center:
A solar flare occurs when magnetic energy that has built up in the solar atmosphere is suddenly

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