视频简介
Are we alone in$) the [(universe?? For over half a century, /legendary ,NAS+^$A eng`^;i neer and best-sellin# g scie=\nce fiction au tho ^!r, ]@_Gentry#= Lee, has explored ev=ery a@spe ,=ct of this question !]i^n ? the realms of spac@[e _scienc -=e, ro)/botic ex.] ploratio +n a];nd= the h:#`uman imagina)tion. At age 8%(2, he !has )com^e .,to a revela$ t=@or\#y[\ con];clu _sion.