Terry
"It would sort of make sense if it were part of a whole series of hexagons, like a beehive, covering the whole planet."

If it were, I'd probably be looking for the "bees" <g>

It's a wonder, of course, that it's a regular polygon, but even the fact that practically straight lines have been maintained within that turbulance is almost unbelievable. It brings crystals to mind.

"Time is what prevents everything from happening at once" - John Wheeler