Large Dwarf Planet Found

Scientists with the U.S. National Science Foundation identified ED138, a possible dwarf planet orbiting far beyond Pluto, about 46 astronomical units from the Sun. Estimated to be 373 to 932 miles in diameter, it is the largest candidate of its kind the team has found. Researchers detected it using the NSF–DOE Vera C. Rubin Observatory, whose imaging capabilities can capture movement in crowded regions of the sky.

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