土星王@国-卡西尼号航天器壮烈探索
之旅

　　$Th %e +^=Cassi;- ni spacecraft.+ was =;sen !t on -its way to Satu:?r\n; in 1997. Since t\h*=
en, she has[ t@ravel!
led nearly four billi-on. kilom;(eters, delivered !:a_ , probe to a t
oxic m$ oon, discovered phantasmagor  ic]al structures on the;+ pla,net's _icy rin]_ \gs, stu@-%/died !: the  ..sta^rtlin[$g atmosph/^ere
! on a ti@ny moon. Now,  on a dar_?in[g spiral orb+\:i+[,%]t, Cassini wi(
ll str!@*eak tow]ard[  Sat+^:@urn itself,$ =./st^reaming data t^\o Earth b*efore being torn apart.