There are many worlds and many systems of Universes existing all at the same time, all of them perishable.

— Anaximander 546 BC

A Guide to Outer Space Surveillance!

By kuky at Wed, 10/10/2012 - 11:21am

Pedro sent us an iteresting link for

A GUIDE TO OUTER SPACE SURVEILLANCEA Guide to Outer Space Surveillance!

Date : July-2012
Author: Lowell Bradford