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The International Astronomical Union’s Minor Planet Center, which catalogs new moons and other small bodies in the solar ...
For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.
Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...
A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...
The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...
As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...
A recently discovered celestial body is rewriting our knowledge of the Kuiper Belt and maybe challenging the existence of the ...
Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...
For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...
As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...
U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system ...