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PROOF OF WATER
ON MARS?
This image released by NASA shows
two views of a gully on the wall of an
unnamed crater in the Centauri
Montes region. NASA experts said they
have detected evidence that liquid
water existed on the surface of Mars in
recent years, giving weight to hopes
that signs of life on the Red Planet
could still be found.(AFP/NASA-HO)
Discovery lit up the sky late Saturday, blazing off for the
first nighttime space shuttle launch in four years