Space
Is an old NASA probe about to redraw the frontier of the solar system?
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Pluto
Space
Pluto has a huge field of bumpy ice created by massive volcanoes
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Space
Pluto's dark side revealed by moonlight in pictures from New Horizons
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Space
Pluto is covered in huge red patches and we don't know what they are
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Space
Science with Sam: Are there volcanoes in space?
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Space
Pluto's tiny moons may have been chipped off its biggest moon
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Space
Pluto formed quickly with a deep ocean covering its entire surface
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Space
Pluto's icy nitrogen heart makes its atmosphere spin backwards
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Space
The solar system has too many moons – it's time for a cull
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Space
Pluto is coloured red by ammonia spewing from underneath its surface
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Space
Pluto has an underground ocean kept warm by a layer of gassy ice
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Space
It will be 'snowing' nitrogen on Pluto for the next century
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