Wilbert Smith Archives Files Box 1130 02 1130-02-p008

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snly to look atthe vast.radar ime with our fimitedlexistence witli fic control radars, history of the galaxy. On the other hand on: coverage of this continent weather radars, military sui and ballistic To put the probability in even closer ers] missile detection systems —- and one realizes that it would be the possibility of radio communication with impossible not to pick up and track any extraterrestrial star (Alpha-Centauri), 4 light-years away, and as spacecraft. For example, experime: ‘e...