Posted on Categories Discover Magazine
Far beyond the orbits of the solar system’s eight planets, astronomers have found another object they’ve nicknamed “The Goblin.” It’s a small world traveling a lonely path through the outer reaches of our cosmic neighborhood, and joins a small club of dwarf planets and other planet-like objects out beyond Neptune.
Most excitingly, the object’s movements fit into previous theories regarding a possible “Planet X” hiding far away in our solar system, and could help astronomers to find it.
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