what's beyond pluto
Two planets beyond Pluto? But no additional large planets have been found at the edge of our solar system. New calculations by astronomers in Spain and the UK suggest that not one, but two unknown planets might exist in our solar system, beyond Plutoâs orbit. Artistâs illustration of a view of our sun from an unknown outpost planet at the fringes of our solar system. Image via NASA/JPL-Caltech.