Pluton and its endless year: why hasn't it completed one orbit since it was discovered?

Meteored Portugal3 September 2026 at 12:04

Pluto takes about 248 years to complete an orbit around the Sun. Since its discovery in 1930, humanity has not yet witnessed a complete orbit, although it is possible to calculate when this will happen.

On February 18 1930, Clyde Tombaugh identified what appeared to be merely a fleeting

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Pluton and its endless year: why hasn't it completed one orbit since it was discovered?

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