.. !10/03/2001
.. ǡ ߡ 20 1969. .
"" NASA ǡ ɡ .
Ǻ ɡ . " " .
" " ǡ ɡ ɡ .
ϡ . : ȡ ǡ ֡ ɡ - - : " "." " 1960 40 ǡ " " .
" " " " ɺ .
" " ̡ ǡ ɡ ǡ . 40 .
: .
" " . ȡ . ʡ : .. .֡ 100 ɡ ɡ ֡ " " 150 200 ȡ . .
Ǻ 35 ӡ . " " .
ߺ ͡ - - 14 Ǻ : " " ( 25) : ʺ ֡ ǡ ֡ ǡ ." " " " " " .
ѡ : " " ( 29) .ѡ 1996 Ρ 3.5 . .
1969 1971 ǡ ǡ ڡ ʡ . ǡ 2003 2005.֡ ɡ " " . 1947 .
ǡ " " . ɡ .
ӡ .
"" ɡ .
"" ʡ ǡ .
. .