Yes, it's well known. It's human technology, but it's also almost certainly alien technology if we operate under the assumption that an alien species built som

Yes, it's well known. It's human technology, but it's also almost certainly alien technology if we operate under the assumption that an alien species built something capable of travelling across the stars. Regardless, I'm not even necessarily saying that it is evidence of aliens. Merely that it evidence against the idea that this is something which is naturally occurring.