Vulcan /ˈvʌlkən/ was a theorized planet that some pre-20th century astronomers thought existed in an orbit between Mercury and the Sun. Speculation about...

Kelvin–Helmholtz heating Nemesis (hypothetical star) Planet Nine Planets beyond Neptune Vulcan (hypothetical planet) A cold hydrogen-rich gas giant slightly...

Vulcan, Michigan Vulcan, Missouri Vulcan, West Virginia Vulcan Planitia, a plain on Pluto's moon Charon Vulcan (hypothetical planet), a hypothetical planet...

name "Vulcan" has since come to be more associated with the extrasolar planet Vulcan in the Star Trek franchise. The most popular hypothetical planet in...

fictional planet Vulcan. In the Star Trek universe, they were the first extraterrestrial species to make contact with humans. The most notable Vulcan character...

Malmquist bias Planet Nine Planets beyond Neptune Shiva hypothesis Theia (planet) Tyche (hypothetical planet) Vulcan (hypothetical planet) Leader-Post,...

A hypothetical Solar System object is a planet, natural satellite, subsatellite or similar body in the Solar System whose existence is not known, but has...

"Vulcan" has been used for various other fictional planets, in and out of the Solar System, that do not correspond to the hypothetical planet Vulcan,...

inside the orbit of the planet Mercury. They are named after the hypothetical planet Vulcan, which was proposed on the basis of irregularities in Mercury's...

Municipale in Châteaudun. He died in 1894. Vulcan (hypothetical planet) Urbain Le Verrier "A Promised Transit of Vulcan", The Spectator, vol. 52, p. 336, 15...

painting Transit of Mercury from Mars Transit of minor planets Transit of Venus Vulcan (hypothetical planet) Transit of Mercury on November 11, 2019 Transit...

S2CID 119206487. Baum, Richard P.; Sheehan, William (2003). In Search of Planet Vulcan: The Ghost in Newton's Clockwork. Basic Books. p. 264. ISBN 978-0738208893...

However, Vulcan was unacceptable to the IAU because it was not the name of an underworld figure and had already been used for a hypothetical planet inside...

known planet from the Sun. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It...

Uranus. Mercury's orbital anomaly observations led to searches for Vulcan, a planet interior of Mercury, but these attempts were quashed with Albert Einstein's...

However, "Vulcan" was unacceptable to the IAU because it was not the name of an underworld deity and had already been used for a hypothetical planet inside...

place faith in this possible explanation, and the hypothetical planet was named Vulcan, but no such planet was ever found. The observed perihelion precession...

A classical planet is an astronomical object that is visible to the naked eye and moves across the sky and its backdrop of fixed stars (the common stars...

innermost planet in the Solar System, on average receives from the Sun. In the Star Trek franchise, the planet Vulcan orbits 40 Eridani A. Vulcan has been...

faith in this possible explanation, and the hypothetical planet was even named Vulcan. However, no such planet was ever found, and the anomalous precession...

An artificial planet of the Ayries. Vulcan: The homeworld of Green Lantern Saarek. Warworld: An artificial planet created by the Warzoons that is ruled...

Hamburg School revolved around astrological midpoints and use of the hypothetical planets. In the 1930s, the American Richard Svehla gave lectures on the Hamburg...

the draft proposal been accepted, even the Moon would hypothetically be classified as a planet in billions of years when the tidal acceleration that is...

in 1878. He was a strong believer in the existence of the planet Vulcan, a hypothetical planet closer to the Sun than Mercury, which is now known not to...

Tombaugh: Discoverer of Planet Pluto", Sky Publishing Corporation, March 2006 Richard Baum & William Sheehan: "In Search of Planet Vulcan", Plenum Press, New...

terrestrial planets. In January 2016, the existence of a hypothetical super-Earth ninth planet in the Solar System, referred to as Planet Nine, was proposed...

this pattern, several hypothetical bodies were given names: Vulcan for a planet within the orbit of Mercury; Phaeton for a planet between Mars and Jupiter...

Formation of Earth-Moon system following giant impact by hypothetical planetoid Theia (planet). Moon's gravitational pull helps stabilize Earth's fluctuating...

Heliocentrism – Historical models of the Solar System Planets beyond Neptune List of former planets List of hypothetical Solar System objects in astronomy Space exploration...

mathematician Urbain Le Verrier has proposed the existence of a hypothetical planet, Vulcan, inside its orbit and amateur astronomer Edmond Modeste Lescarbault...