October 4, 2007 at 10:18Day of the 50th anniversary of the launch of the first artificial Earth satellite!
Sputnik-1, the first artificial Earth satellite, was launched into orbit in the USSR on October 4, 1957.
On Habr
Sputnik-1 on WiKi
Sputnik-1, the first artificial Earth satellite, was launched into orbit in the USSR on October 4, 1957.
On Habr
Sputnik-1 on WiKi