Well, OK — the sun won’t flip, but its magnetic field is about to. No worries, though, it happens every 11 years — like a big thermonuclear clock ticking.
This happens every time the sun reaches solar maximum, with solar flares and sun spots at their peak. And even then, it’s a long, drawn-out, poorly-understood process — and it’s already started.
ScienceCasts tells all (direct link):
If you’d like to know more, there are plenty of places to go: