It's an alien ship quite obviously.

You are obviously a government agent trying to suborn the conspiracy theorists by claiming that it is an artefact.

No wait, it is proof of a flat earth. That is rare footage of the sun falling behind the ice wall at its closest point to earth some 0.6 miles

No wait, again, sorry. This is quite obviously a close up photo of a cats eye as you shine a torch at it

There you go