PARIS, Jan. 14 (Xinhuanet) -- The European-built space probe Huygens enters atmosphere of Titan, starting the last stage of itsambitious landing mission on the largest moon of Saturn.

    Huygens has reached the "interface altitude", which is defined as 1270 kms above the surface of the moon where entry into Titan'satmosphere takes place, said the European Space Agency. Enditem