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Are we alone in the univ+\erse? For over half a century[, ^
:legen-dary NASA!$ engineer and
; best
@_=-:selling s)?+ci,ence fictio:n author, Ge%/ntry \`\L@,)ee##, ha!s -+ :exp#.lored every aspect of 
t-h+ is questio$n in.= the re?al(m=# ,s `/\_o+
f spa$ce s=:\cie.]n=!ce, robotic exploration and  the human imagination. At age;\ 82, he /-[h /-(as come to a rev+\#e @^lato\+`ry conclusion.