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$B8=:_$G$O!"$3$N29EY$O$B%Z%s%8%"%9$H%&%#%k%=%s$O$3$NH/8+$N8y@S$G(B1978$BG/$K%N!<%Y%k>^$r^$7$F$$$^$9!#%Z%s%8%"%9$H%&%#%k%=%s$NB,Dj$K$h$k1'Ch$NGX7JJ|$B$H$3$m$,!"(B1989$BG/$K%"%a%j%+$N(B NASA $B$,BG>e$2$?E7J81R@1(B COBE (Cosmic Background Explorer = $B%3!<%S!<(B) $B$K$h$C$F!"(B10$BK|J,$N(B1$B$N%*!<%@!<$G$f$i$.$,$"$k$3$H$,H=L@$7$^$7$?!#$=$N$f$i$.$K$h$kG;C8$K$h$C$F!"@1$NB?$$$H$3$m$H>/$J$$$H$3$m$,$G$-$F$-$?$H$$$&$o$1$G$9!#(B
$B8=:_$G$O(B COBE $B$N$"$H$r7Q$$$@(B WMAP (Wilkinson Microwave Anisotropy Probe = $B%@%V%j%e!

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