Pluto was considered the ninth and farthest known planet from the Sun in our solar system. However, in 2006, the International Astronomical Union (IAU) reclassified Pluto as a \"dwarf planet,\" which means it is no longer considered one of the major planets in our solar system.\n\nBeyond Pluto, there are numerous objects in the Kuiper Belt, a region of space beyond Neptune that contains many small icy bodies and dwarf planets. Some of these objects include Eris, Haumea, Makemake, and several others. These Kuiper Belt objects are relatively small and distant from the Sun compared to the major planets.\n\nIf you're asking about whether there might be more undiscovered objects or planets beyond Pluto, it's certainly possible. Astronomers continue to search for and discover new objects in the outer reaches of our solar system using telescopes and other observational techniques. The existence of such objects is a subject of ongoing research and discovery.\n\nSince my knowledge is based on information available up to September 2021, I recommend checking the latest scientific news and astronomical discoveries for updates on objects and phenomena beyond Pluto, as our understanding of the outer solar system is continually evolving. There may have been new discoveries or developments since that time.
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