APOD: Gliese 832c: The Closest Potentially... (2014 Jul 09)

Comments and questions about the APOD on the main view screen.
User avatar
Chris Peterson
Abominable Snowman
Posts: 18596
Joined: Wed Jan 31, 2007 11:13 pm
Location: Guffey, Colorado, USA
Contact:

Re: APOD: Gliese 832c: The Closest Potentially... (2014 Jul

Post by Chris Peterson » Tue Jul 22, 2014 8:08 pm

Strangerbarry wrote:So are WE actively broadcasting our presence to possible life-supporting exo-planets ?
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.

Barring a deliberate effort to send signals out into space, technological civilizations are probably radio loud for no more than a few decades.
Chris

*****************************************
Chris L Peterson
Cloudbait Observatory
https://www.cloudbait.com

User avatar
JohnD
Tea Time, Guv! Cheerio!
Posts: 1593
Joined: Wed Feb 16, 2005 2:11 pm
Location: Lancaster, England

Re: APOD: Gliese 832c: The Closest Potentially... (2014 Jul

Post by JohnD » Wed Jul 23, 2014 6:48 pm

Senior moment?
John

Post Reply