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Is Pluto a planet? New paper adds to decade-long debate

Is Pluto a planet? New paper adds to decade-long debate

Is Pluto a planet? New paper adds to decade-long debate

Pluto, the solar system object that everyone loves to fight the most.

Credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute

Scientists talked about classifying Pluto for 12 years, and a recently published article offers a new – but surprisingly old – reason to restore the planetary status of the object.

The new research focuses not only on the qualities of celestial bodies, but on the past 200 years of scientific literature. Four scientists trawled through astronomy documents published since 1802 in search of examples of the word planet used as defined by the controversial 2006 judgment of the International Astronomical Union (IAU) that again classifies Pluto as a dwarf planet. That group is responsible for handling the astronomical nomenclature. The definition included the requirement that planets "clear" their jobs, making them the gravitational large shots in their neighborhoods.

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