Video: What really is Pluto's colour?
A three-minute video states that Pluto is rust-coloured, based on the findings of the nuclear-powered spacecraft under NASA's New Horizons mission. The video thus refers to Pluto as the 'the second red planet located in the solar system', the first one being Mars. The video further discusses that up until 2015, Pluto was believed to be 'an icy rocky body'.