Outer reaches of solar system could harbor another planet-or evidence modifying laws of gravity A pair of theoretical physicists are reporting that the same observations inspiring the hunt for a ninth planet might instead be evidence within the solar system of a modified law of gravity originally developed to understand the rotation of galaxies. Researchers Harsh Mathur, a professor of physics at Case Western Reserve University, and Katherine Brown, an associate professor of physics at Hamilton College, made the assertion after studying the effect the Milky Way galaxy would have on objects in the outer solar system-if the laws of gravity were governed by a theory known as Modified Newtonian Dynamics (or MOND).

https://www.miragenews.com/plot-thickens-in-hunt-for-ninth-planet-1098361/

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