There could be at least two unknown planets – members of our own solar system – hidden well beyond Pluto. That’s according to new calculations by scientists in Spain and the UK. Their work has been published as two articles in the journal Monthly Notices of the Royal Astronomical Society Letters... the solar system theory doesn’t match what is observed. When that happens, astronomers scratch their heads and wonder why. These astronomers believe the reason is that there are unknown large planets out on the fringes of the solar system, waiting to be discovered [READ MORE]
If you were to name the two planets beyond Pluto, what names would you give?
