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× ‘Healthy’ NASA spacecraft sends signal from edge of Solar System

TAMPA, United States -- NASA rang in the New Year on Tuesday with a historic flyby of the farthest, and quite possibly the oldest, cosmic body ever explored by humankind -- a tiny, distant world on the edge of the Solar System called Ultima Thule -- in the hopes of learning more about how planets took shape.

A series of anxiously awaited "phone home" signals arrived after 10:30 am (1530 GMT), indicating…