New data about two distant asteroids give a clue to the possible “Planet Nine”
New data about two distant asteroids give a clue to the possible “Planet Nine”
New data about two distant asteroids give a clue to the possible “Planet Nine”
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Wikipedia 
Description
Schematic representation of the orbits of six of the seven extreme trans Neptunian objects (ETNOs) used to propose the hypothesis of the “Planet Nine”. The dashed red curve shows the orbit of this possible planet. Credit: Wikipedia. 
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