It’s gotta be pointing directly at us (give or take attenuation) to detect it in this fashion. Given the sheer number of astronomical objects, there are bound to be quite a few in existence, but only a few of those will be visible. :’)
19 posted on 08/11/2009 7:37:16 PM PDT by SunkenCiv
(https://secure.freerepublic.com/donate/__Since Jan 3, 2004__Profile updated Monday, January 12, 2009)