NPR

Way Beyond Pluto, An Icy World Is Ready For Its Close-Up

Minutes after the turn of the new year, NASA's New Horizons probe will fly by a minor planet in the most distant exploration of a world ever attempted.
An artist's impression of NASA's New Horizons spacecraft encountering Ultima Thule, a Kuiper Belt object that orbits 1 billion miles (1.6 billion kilometers) beyond Pluto, on Jan. 1, 2019.

About a billion miles beyond Pluto, a spacecraft is closing in on an icy minor planet — a mysterious little place that's only about 20 miles across.

If all goes well, NASA will start the new year with the most far-off exploration of a world

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