bn:03192699n
Noun Named Entity
Categories: Vulcan (mythology), Hypothetical planets, Hypothetical bodies of the Solar System, Mercury (planet), Solar System dynamic theories
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
astronomy
planet
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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