(October 26, 2016 at 8:49 pm)AFTT47 Wrote: Interesting but the alien hypothesis seems like a reach to me. If aliens were taking the trouble to send signals, I would expect the signals to be obviously artificial - sending a stream of prime numbers for example.
A light year is 6 trillion miles, and we're moving through space at 500,000+ mph. For a directional signal, it would be far more difficult than anything that William Tell could have done. An omni-directional signal would be prohibitively expensive.
