Hunt for Planet X is back on: Noted astronomer calculates planet four times size of Earth must exist on fringe of solar system

The Coming Crisis: The evidence for 'Planet X' - the mysterious hypothesised planet on the edge of our solar system - has taken a new turn thanks to the mathematics of a noted astronomer. Rodney Gomes, an astronomer at the National Observatory of Brazil in Rio de Janeiro, says the irregular orbits of small icy bodies beyond Neptune imply that a planet four times the size of Earth is swirling around our sun in the fringes of the solar system. Planet X - perhaps mis-named now that Pluto has been demoted to a dwarf planet - has been widely hypothesised for decade, but has never been proven. Gomes measured the orbits of 92 Kuiper belt objects - small bodies and dwarf planets - and said that six objects appeared to be tugged off-course compared to their expected orbits. He told astronomers at the American Astronomical Society on Tuesday that the most likely reason for the irregular orbits was a 'planetary-mass solar companion' - a distant body of planet size that is powerful enough to move the Kuiper belt objects. He suggested the planet would be four times bigger than Earth - around the size of Nepture and would be 140 billion miles from the sun, or about 1,500 times further than the Earth. Source: The Coming Crisis

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