The solar system may host a ninth planet that is about 10 times bigger than Earth and orbiting far beyond Neptune, according to research published on Wednesday.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/researchers-find-possible-ninth-planet-beyond-neptune
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/reuters
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/space-technology
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/planets
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists