Astronomers have produced a new colour map of Pluto, the most distant planet in our Solar System, using images from the Hubble Space Telescope.
The detailed map shows areas likely to be methane frost and a bright spot perhaps made of frozen carbon monoxide.
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The International Astronomical Union has decided on the term "plutoid" as a name for dwarf planets like Pluto. Sidestepping concerns of many astronomers worldwide, the IAU's decision, at a meeting of its Executive Committee in Oslo, comes almost two years after it stripped Pluto of it...
