Episode 1 of 2

Lescarbault's Transit Claim

When
26 March 1859
Where
Orgères-en-Beauce
Part of
Edmond Modeste Lescarbault claims sighting of the planet Vulcan

Lescarbault reported observing a small black dot on the Sun's face on March 26, 1859, interpreting it as a planetary transit.

Edmond Modeste Lescarbault described in detail how he observed a small black dot on the face of the Sun on March 26, 1859. He sent a letter to Le Verrier on December 22, 1859, stating he had seen a transit of the hypothetical planet.

Sources

  1. Vulcan (hypothetical planet) Wikipedia, revision of 2026-09-19

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.