World News | Ben Guarino, The Washington Post | Friday November 17, 2017
When the New Horizons spacecraft arrived at Pluto in 2015, the probe revealed the dwarf planet's true nature: Pluto is a frozen lump, sure, but it is an odd and interesting lump. Pluto has a heart-shaped icecap that, in theory, could hide an ocean. For no obvious reason, Pluto spits out X-rays. And when New Horizons took Pluto's temperature, the dw...
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