New Dwarf Planet Beyond Pluto, Discovered: How It Could Change The Way We Look At Sola...

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Astronomers have uncovered a new dwarf planet, 2017 OF201, which could reshape our understanding of the solar system.

Astronomers have just unveiled an extraordinary discovery in the far reaches of the solar system that could dramatically change the way we view our cosmic neighbourhood.

A new dwarf planet, temporarily named 2017 OF201, has been located in a distant orbit far beyond Pluto.

The object, which may be a distant cousin of Pluto, has an orbital path so vast that it takes an incredible 25,000 Earth-years to complete one revolution around the sun.

The discovery was announced by the International Astronomical Union⁘s Minor Planet Center on May 21, 2025, following extensive research led by Sihao Cheng, a researcher from the Institute for Advanced Study.

Cheng, along with a team of Princeton University graduate students, found the new dwarf planet while searching for a theoretical ⁘Planet 9,⁘ a hypothetical world beyond Neptune that may be influencing the behaviour of objects in the outer solar system.

Using advanced computer programs, the team sifted through years of images captured by the Victor M. Blanco Telescope in Chile and the Canada France Hawaii Telescope.

By identifying bright moving spots in the sky, they were able to pinpoint the location of 2017 OF201.

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