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A Goblin World That Points Toward Hidden Planet Nine in the Solar System

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Planet Nine

An artist's rendering of a large, unseen ninth planet that some astronomers say must be orbiting our sun at a great distance to explain the orbits of other smaller objects.

Credit:Roberto Molar Candanosa and Scott Sheppard, Carnegie Institution for Science

Among some astronomers, there is a growing suspicion that our solar system's distant reaches conceal a large, ninth planet that we have not yet seen. New findings about a small ice world far beyond Pluto buttress this idea.

From The New York Times
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