Le dim. 24 mars 2024, 12:41, John Clark <[email protected]> a écrit :
> On Sat, Mar 23, 2024 at 9:46 PM Brent Meeker <[email protected]> > wrote: > > >> And perhaps a simpler explanation is that ET does not exist because we >>> are the first, after all the observable universe is finite in both >>> space and time so somebody's got to be first. >> >> >> *> "It's simpler to suppose that all technological civilizations that >> could beam EM signals out hundreds of light years (which we can't yet)"* >> > > The late great Arecibo Observatory wasn't just a radio telescope it was > also a radar telescope, it was the most powerful radio transmitter the > world had ever made and had the ability to send a message to a similar > sized telescope that was anywhere in the Milky Way. > > >> * > are more than hundreds of light years apart* >> > > I agree, but I think advanced technological civilizations are more than > 13.8 billion light years apart, and thus we will never see them and they > will never see us. > > >> >> *> "and having reached that same conclusion decided to pursue knowledge >> by other means."* >> > > As I've said before, to pursue knowledge you need a brain and to operate a > brain you need energy; and in this galaxy alone hundreds of billions of > stars are radiating all their energy uselessly into infinite space. And all > the other galaxies that we can observe are doing the same thing. Don't you > find that odd? > It depends if it was the only and easiest way to achieve it... who knows what we don't know, because we don't observe something constrained by our own knowledge doesn't mean anything, nothing to conclude from this non observation of an entire universe filled of dyson sphere. Quentin > > See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis> > dd0 > >> >> -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CAJPayv37tN-as%2Br_eMpVi6-0wHe6z6YBfoTTgy_sPUZK_Fuvpw%40mail.gmail.com > <https://groups.google.com/d/msgid/everything-list/CAJPayv37tN-as%2Br_eMpVi6-0wHe6z6YBfoTTgy_sPUZK_Fuvpw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CAMW2kApotQXOBontism%3D35DafX5FrR0n1C16uQnSE314sFyOBA%40mail.gmail.com.
