China says its lunar probe has successfully taken off from the far side of the moon to begin its journey back to Earth carrying the first-ever samples collected from that region.State media says a module of the Chang’e-6 craft, named after the moon goddess in Chinese mythology, successfully lifted off about 07:38 on Tuesday (23:38 GMT Monday) to begin the journey back.The craft had landed on Sunday close to the moon’s south pole in a world-first feat celebrated by the international science community.China is the only country to have landed on the far side of the moon, having also done so…