FILE - This composite image made available by NASA shows the Kuiper Belt object nicknamed “Ultima Thule,” indicated by the crosshairs at center, with stars surrounding it on Aug. 16, 2018, made by the New Horizons spacecraft. The brightness of the stars was subtracted from the final image using a separate photo from September 2017, before the object itself could be detected. (NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute via AP)
FILE - This illustration provided by NASA shows the New Horizons spacecraft. NASA launched the probe in 2006; it’s about the size of a baby grand piano. NASA’s New Horizons spacecraft is set to fly past the mysterious object nicknamed Ultima Thule at 12:33 a.m. Tuesday, Jan. 1, 2019. (NASA/JHUAPL/SwRI via AP)
LAUREL, Md. — The NASA spacecraft that yielded the first close-up views of Pluto hurtled toward a New Year’s Day rendezvous with a tiny, icy world a billion miles farther out, in what would make it the most distant cosmic body ever explored by humankind.