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Vulcan in a lithographic map from 1846 [1] Vulcan / ˈ v ʌ l k ən / [2] was a proposed planet that some pre-20th century astronomers thought existed in an orbit between Mercury and the Sun. Speculation about, and even purported observations of, intermercurial bodies or planets date back to the beginning of the 17th century.
Vulcan, a hypothetical planet once believed to exist inside the orbit of Mercury. Initially proposed as the cause for the perturbations in the orbit of Mercury, some astronomers spent many years searching for it, with many instances of people claiming to have found it.
Lewis Swift discovered 13 comets but zero planets. Home & Garden. Lighter Side
The success of the search for Neptune based on its perturbations of the orbit of Uranus led astronomers to place some faith in this possible explanation, and the hypothetical planet was even named Vulcan. However, no such planet was ever found, [12] and the anomalous precession was eventually explained by general relativity theory.
Scientists Katherine Laliotis and Jennifer Burt didn't set out to anger Trekkies with their new study of exoplanets in other solar systems. It just so happens the data pointed them and the rest of ...
Schematic diagram of the orbits of the fictional planets Vulcan, Counter-Earth, and Phaëton in relation to the five innermost planets of the Solar System.. Fictional planets of the Solar System have been depicted since the 1700s—often but not always corresponding to hypothetical planets that have at one point or another been seriously proposed by real-world astronomers, though commonly ...
Signal indicating presence of planet may have been flickering of star 40 Eridani A. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Edmond Modeste Lescarbault (1814, Châteaudun – 1894, Orgères-en-Beauce), was a French medical doctor and an amateur astronomer, best remembered for his 1859 supposed observation of the non-existent planet Vulcan. He graduated and obtained his diploma from the University of Paris in 1848.