"Nature decides whether or not an object is ... In particular, this aspect was criticized: A pair of round objects that orbit around a point in space that is outside both objects-meaning the ...

These objects satisfy the other criteria, in being round and not a satellite. Ceres, which lies in the asteroid belt between Mars and Jupiter, is also now a 'dwarf planet'. 'Dwarf planets' in ...

A star 5,000 light-years from Earth is the closest thing to a perfect sphere that has ever been observed in nature ... roundest natural object ever measured, even more round than the sun ...