Alien Structure or just rocks? I'm thinking rocks..

[Gingerbread Demon]

Most likely any alien message would be "Shut that crap OFF!!, or I'm gonna come over and shut it for you!"

I wish they would. Earth seriously needs a smackdown

 

[RJDiogenes]

"Pick up. Pick up. Pick up. Oh, never mind."

 

[YellowSubmarine]

I just came up with the most reasonable explanation (so far) for what this has to be.

The USS Enterprise NCC-1701 from the sixth reboot of the original series unsuccessfully trying to go back to its original time by slingshotting around the star.