Re: APOD: Gliese 832c: The Closest Potentially... (2014 Jul
Posted: Tue Jul 22, 2014 8:08 pm
Not deliberately. But radio leaks out. Nowhere near as much today as 50 years ago, and probably in another 50 years the amount will be insignificant.Strangerbarry wrote:So are WE actively broadcasting our presence to possible life-supporting exo-planets ?
Barring a deliberate effort to send signals out into space, technological civilizations are probably radio loud for no more than a few decades.