... By the late 20th century mankind technological activities became a significant factor affecting the environment. ... Many predictions show that in the 21st century the environmental protection will become one of the most significant problems ...
... 25 years, a quarter of century, gone since that memorable event - the joint manned mission of Soyuz and Apollo space vehicles ... Now, at the turn of centuries, it is becoming more and more evident that prospects of international cooperation in space ...
... of the unique facility of the XX century, namely MIR Station, stepped over a 10-year ... a classical configuration concept of the manned on-orbit centre in the XX century ...
... Almost half a century ago, on May 23, 1966, a team of cosmonaut testers was established at the flight testing department of ... Life more than a century long: Georgiy Stepan marks his 101st anniversary . May 13, 2015 . ...
... of the unique facility of the XX century, namely MIR Station, stepped over a 10-year ... a classical configuration concept of the manned on-orbit centre in the XX century ...
... A quarter of a century since the maiden flight of Buran orbiter of the Energia-Buran ... A quarter of a century ago, on November 15, 1988, the reusable orbiter Buran was ...
... in GEO from September 6, 1999 to August 2011, for the first time having exceeded a ten-year design operating life in GEO, is a demonstrative example of implementing advanced science-intensive space technologies of the XXI century in new developments ...