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Vibrant Pluto stuns scientists

They are 5 billion kilometres from the Sun in the dim, far-flung outskirts of the Solar System, but Pluto and its large moon Charon turn out to be astonishingly vital worlds. Images from NASA’s New Horizons spacecraft, which flew within 12,500 kilometres of Pluto on 14 July, reveal frosty plains, soaring mountains and much more geological activity than anyone anticipated.

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