We Will Retrieve Pioneer 10

Pioneer 10 is the first interstellar spacecraft launched by mankind. It was also the fastest spacecraft launched, to the date of its departure. But it will take eighty thousand years for Pioneer 10 to reach the distance of the nearest star. Because space is so empty, it will never enter another Solar System. The little golden message aboard Pioneer 10 will be read, but only if there are interstellar voyagers able to detect and intercept Pioneer 10. I believe that such an interception may occ...

 Carl Sagan on the Audacity of John F. Kennedy's Moon Miss...

Once upon a time, we soared into the solar system, for a few years. Then we hurried back. why? What happened? What was Apollo really about? The scope and audacity of John Kennedy's May 25th 1961 message to a joint session of Congress on "Urgent National Needs" -- the speech that launched the Apollo program--dazzled me. We would use rockets not yet designed and alloys not yet conceived, navigation and docking shemes not yet devised, in order to send a man to an unknown world--a world not yet...