bn:03192699n
Noun Named Entity
Categories: Hypothetical bodies of the Solar System, Obsolete theories in physics, Tests of general relativity, Mercury (planet), Astronomical hypotheses
EN
Vulcan  0th planet  Intramercurial planet  Planet Vulcan  Transit of Vulcan
EN
Vulcan was a theorized planet that some pre-20th century astronomers thought existed in an orbit between Mercury and the Sun. Wikipedia
English:
hypothetical planet
planet
astronomy
Definitions
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Sources
EN
Vulcan was a theorized planet that some pre-20th century astronomers thought existed in an orbit between Mercury and the Sun. Wikipedia
A hypothetical planet once thought to be between Mercury and the Sun Wikipedia Disambiguation
Hypothetical planet between the Sun and Mercury Wikidata
A hypothetical planet proposed to exist in an orbit between Mercury and the Sun in a 19th-century hypothesis. Wiktionary
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