Mystery orbits in outermost reaches of solar system not caused by 'Planet Nine'
Monday, January 21, 2019 - 04:50
in Astronomy & Space
The strange orbits of some objects in the farthest reaches of our solar system, hypothesised by some astronomers to be shaped by an unknown ninth planet, can instead be explained by the combined gravitational force of small objects orbiting the Sun beyond Neptune, say researchers.