'At least two more planets' beyond Pluto, scientists say - Telegraph.co.uk

Telegraph.co.uk
'At least two more planets' beyond Pluto, scientists say
Telegraph.co.uk
At least two as-yet undiscovered planets as big as Earth or larger may be hiding in the outer fringes of the Solar System, scientists believe. The secret worlds are thought to exist beyond the orbits of Neptune, the furthest true planet from the Sun, and the even ...
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