And free enterprise counters with a “Jolly Green Gas Giant”… 
Didn’t we just do this one?
djm
Yeah, but it’s worth repeating because:
a) It is a very striking image
and
b) It is clear proof of intelligent alien engineering on a huge scale. They are, no doubt, coming to eat us. We are all doomed.
kinda…
I was bored, it was a midday posting from an other site of the same picture.
A lot of the APOD pictures have been posted elsewhere first.
Bud…you are domed…some of us still have hair.
What? Oh…doomed, I see…
Well, of course we are. The only real question that I can see is what is gonna be the one that does it. So many contenders so few civilizations.
Ha! We’ll fix the rascals! We’ll do ourselves in first. That’ll larn 'em! 
djm
Along the lines of buddhu’s comment, when the full implications of what I’m about to say sink in, try not to panic. That structure looks rather, shall we say, crystalline.