nat Latest articles by nat Planet X? New Evidence of an Unseen Planet at Solar System's Edge By nat published 25 May 12 An astronomer has proposed the existence of an unseen planet in the distant outskirts of the solar system. It would explain the peculiar motions of Kuiper belt objects. Planets Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES11,000-year-old Viking Age hoard has a pendant that may be a cross or Thor's hammer2Missing link star? Why this 'teenage vampire' white dwarf has scientists so excited3How much gold is there in the world?4How long would it take for humans to go extinct if we stopped having babies?5Tectonic plates can spread subduction like a contagion — jumping from one oceanic plate to another
Planet X? New Evidence of an Unseen Planet at Solar System's Edge By nat published 25 May 12 An astronomer has proposed the existence of an unseen planet in the distant outskirts of the solar system. It would explain the peculiar motions of Kuiper belt objects.
