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Today in History: Urbain Le Verrier announces discovery of planet Vulcan

1/2/2026

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Summary

Story summary

On January 2, 1859, French mathematician Urbain Le Verrier announced the supposed discovery of the planet Vulcan during a meeting at the French Academy of Sciences in Paris. This proposed planet was believed to exist between Mercury and the Sun, reflecting the era's fascination with celestial mechanics and the search for new astronomical bodies.

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Story summary

On January 2, 1859, French mathematician Urbain Le Verrier announced the supposed discovery of the planet Vulcan during a meeting at the French Academy of Sciences in Paris. This proposed planet was believed to exist between Mercury and the Sun, reflecting the era's fascination with celestial mechanics and the search for new astronomical bodies.