(Sorry, but no new Writing Blog this week. Ran long doing other things. I did update the Writing Resources page with a link which you probably know about if you're interested in the linked site's subject, but if you aren't, you might find it interesting. Emphasis on might-my own interests are really diverse.)
My title might be exaggerating.
According to the guy who did this, the footage was filtered from numerous science fiction movies of the era it's attributed to. Its Star Wars-likeness arises purely by a combination of coincidence and clever editing (and possibly use of some audio from the Star Wars radio drama).
It's brilliant, really.