[ad_1]
Valery Polyakov took the longest-ever spaceflight, clocking up 437 continuous days in the 1990s.
[ad_2]
Source link
Valery Polyakov: Record-breaking Russian cosmonaut dies aged 80
Related Posts
[ad_1]
Valery Polyakov took the longest-ever spaceflight, clocking up 437 continuous days in the 1990s.
[ad_2]
Source link