Another question for lucus, if those articles from the 1980's search for planet x, most popularly theorized by robert harrington, have any merit or relevance today, why did revising the mass of neptune and the other gas giants in the early 90's using voyager's telemetry data fix the apparent perturbations that lead to the search for planet x in the first place, and why does the planet x model of the solar system predict a position for uranus that is inconsistent with both the revised-mass model of the solar system as well as reality?
Thread: Robert Harrington's Planet X Does Not Exist