Discovery of fifth moon reignites Pluto planet debate

Discovery of fifth moon reignites Pluto planet debate

Pluto may not be a planet any more, but the discovery of its fifth moon means it can boast more satellites than the inner four planets combined. The finding could reignite the debate over the icy rock’s planetary status – or lack of. The find also suggests that the neighbourhood surrounding Pluto may be extremely dusty, which is bad news for those trying to a plot a safe course for spacecraft.

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