Well this is nice, with a very effective use of the score to get the mind going in the intended direction, too. I like it. The movement while transitioning through the "frames" looks a little odd, but that might be just a technical issue... or not. In any event, it looks rather similar to other videos I've seen of this nature, but never have I seen one of this length, following the thing through it's entire journey. It looks quite plausible.
If real, you know, to appear at that size in the frame this object would be at minimum a mile and very likely more in diameter, probably three or four, which, to me is exciting. It's hard for humans to imagine such a vast construct without going into total sci-fi/fantasy mode. It's hard for me as well. (I'm not feeling very human these past few days, sorry.)
Hopefully I can find out a bit on the alleged astronomer listed on screen... if he's real, then that's a very good thing. I'll see what I can find out between tasks.