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Pioneering venus: a planet unveiled
by Burgess, Eric, Fimmel, Richard O., Colin, Lawrence
fromNASA SP
0
Type: Book
The birth of NASA: the diary of T. Keith Glennan
by Launius, Roger D., Glennan, Thomas Keith
fromNASA SP
0
Type: Book
Humans abandoned their nomadic habits and moved into settlements about 40 to 50 thou- sand years ago. We have been using tools even longer. But our ability to send one of our tools into the heavens is of much more recent origin, spanning only the past 60 years. Yet, in that time…