Aliens are spiritual beings. They don't have bodies anymore. As such, they don't bother with primitive concepts such as "physical electromagnetic waves".
On Sunday, 16 February 2025 at 12:05:35 UTC+2 Alan Grayson wrote: > On Sunday, February 16, 2025 at 1:15:08 AM UTC-7 Liz R wrote: > > A research team led by Dr. Sofia Sheikh of the *SETI Institute*, in > collaboration with the *Characterizing Atmospheric Technosignatures *project > and the *Penn State Extraterrestrial Intelligence Center > <http://downthetubes.net?action=user_content_redirect&uuid=3db7bff95e9b50c5deb4580ff206dec3aada5856af55f34ca01b73a47fef84a0&blog_id=53307203&post_id=167783&user_id=21673507&subs_id=9373912&signature=28acbcd3eaa379d853501a2847b53910&email_name=new-post&[email protected]&encoded_url=aHR0cHM6Ly93d3cucHNldGkucHN1LmVkdQ=>*, > > set out to answer a simple question: If an extraterrestrial civilisation > existed with technology similar to ours, would they be able to detect Earth > and evidence of humanity? If so, what signals would they detect, and from > how far away? > > > <https://mail.google.com/mail/u/0/#label/__DownTheTubes__/FMfcgzQZTCjfmGkWRClxNpKPbVcTCqzl> > > https://mail.google.com/mail/u/0/#label/__DownTheTubes__/FMfcgzQZTCjfmGkWRClxNpKPbVcTCqzl > > > The link doesn't work. My best guess is that beyond about 50 light years, > the signal, which is an expanding sphere, attenuates, and can't be detected > above the background noise. AG > -- 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 visit https://groups.google.com/d/msgid/everything-list/0a51cae3-132d-4c05-ab6f-b5ea0215f29bn%40googlegroups.com.

