Scientists hint at 'cloud planet' hiding in our solar system

There are eight planets in our solar system – plus poor old Pluto, which was demoted in 2006 – but what if there were more?Turns out that might be the case. Astronomers have calculated there is a 7 per cent chance that Earth has another neighbour hiding in the Oort cloud, a spherical region of ice c

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Scientists hint at 'cloud planet' hiding in our solar system

Our cosmic neighbourhood has so many more secrets for us to reveal

The Solar System's outermost edge could host an unknown planet

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