|There could be two unknown planets present in our solar system beyond Pluto. Image Credit: NASA/JPL-Caltech|
Just last year two scientists from the United States discovered a dwarf planet called 2012 VP113 in the Oort cloud and it was just beyond our solar system. The discoverers say that its orbit is affected by the promising occurrence of a dark and icy super-Earth, which could be up to ten times greater than our planet.
Monthly Notices of the Royal Astronomical Society, 2014; 446 (2): 1867 DOI: 10.1093/mnras/stu2230
Monthly Notices of the Royal Astronomical Society: Letters, 2014; 443 (1): L59 DOI: 10.1093/mnrasl/slu084