Oct 3, 2007
Sputnik celebrates its 50th anniversary this Thursday, October 4 -
the first artificial satellite to circle the planet. It was soon
followed by Sputnik 2 (dogs in space, 1958), first human in space
(Yuri Gagarin, 1961), Telstar (first telecom satellite, 1962), and
then we walked on the Moon (Armstrong and Aldrin,...