What’s up with that huge dark hole in the Sun?

Not to worry, everything’s under control

Every once in awhile, the Sun develops a huge “hole” — a dark patch in its outer atmosphere, or corona, like the one visible above.

This is the Sun, as seen today by NASA’s Solar Dynamics Observatory.

I’ve posted about these coronal holes before, but I really like this animation, as well as the one below offering a visualization of what’s actually going on.

SEE ALSO: The Sun blows its top — again 

A coronal hole is a place where where the

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