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- Vulcan_(hypothetical_planet) abstract "Vulcan was a small planet proposed to exist in an orbit between Mercury and the Sun. Attempting to explain peculiarities of Mercury's orbit, the 19th-century French mathematician Urbain Le Verrier hypothesized that they were the result of another planet, which he named "Vulcan". A number of reputable investigators became involved in the search for Vulcan, but no such planet was ever found, and the peculiarities in Mercury's orbit have now been explained by Albert Einstein's theory of general relativity. Searches of NASA's two STEREO spacecraft data have failed to detect any vulcanoid asteroids between Mercury and the Sun that might have accounted for claimed observations of Vulcan. It is doubtful that there are any vulcanoids larger than 5.7 kilometres (3.5 mi) in diameter. Other than Mercury, asteroid 2007 EB26 with a semi-major axis of 0.55 AU (82,000,000 km; 51,000,000 mi) has the smallest known semi-major axis of any known object orbiting the Sun.".
- Vulcan_(hypothetical_planet) wikiPageExternalLink planet.htm.
- Vulcan_(hypothetical_planet) wikiPageExternalLink vulcan.
- Vulcan_(hypothetical_planet) wikiPageID "44069".
- Vulcan_(hypothetical_planet) wikiPageRevisionID "602434858".
- Vulcan_(hypothetical_planet) hasPhotoCollection Vulcan_(hypothetical_planet).
- Vulcan_(hypothetical_planet) subject Category:Astronomical_hypotheses.
- Vulcan_(hypothetical_planet) subject Category:General_relativity.
- Vulcan_(hypothetical_planet) subject Category:Hypothetical_bodies_of_the_Solar_System.
- Vulcan_(hypothetical_planet) subject Category:Hypothetical_planets.
- Vulcan_(hypothetical_planet) subject Category:Mercury_(planet).
- Vulcan_(hypothetical_planet) subject Category:Obsolete_scientific_theories.
- Vulcan_(hypothetical_planet) subject Category:Solar_System_dynamic_theories.
- Vulcan_(hypothetical_planet) subject Category:Tests_of_general_relativity.
- Vulcan_(hypothetical_planet) type Body105216365.
- Vulcan_(hypothetical_planet) type CelestialBody109239740.
- Vulcan_(hypothetical_planet) type HypotheticalBodiesOfTheSolarSystem.
- Vulcan_(hypothetical_planet) type HypotheticalPlanets.
- Vulcan_(hypothetical_planet) type NaturalObject100019128.
- Vulcan_(hypothetical_planet) type Object100002684.
- Vulcan_(hypothetical_planet) type PhysicalEntity100001930.
- Vulcan_(hypothetical_planet) type Planet109394007.
- Vulcan_(hypothetical_planet) type Whole100003553.
- Vulcan_(hypothetical_planet) comment "Vulcan was a small planet proposed to exist in an orbit between Mercury and the Sun. Attempting to explain peculiarities of Mercury's orbit, the 19th-century French mathematician Urbain Le Verrier hypothesized that they were the result of another planet, which he named "Vulcan".".
- Vulcan_(hypothetical_planet) label "Vulcain (planète)".
- Vulcan_(hypothetical_planet) label "Vulcan (hypothetical planet)".
- Vulcan_(hypothetical_planet) label "Vulcano (astronomia)".
- Vulcan_(hypothetical_planet) label "Vulcano (planeta hipotético)".
- Vulcan_(hypothetical_planet) label "Vulcano (planeta)".
- Vulcan_(hypothetical_planet) label "Vulcanus (planeet)".
- Vulcan_(hypothetical_planet) label "Vulkan (Planet)".
- Vulcan_(hypothetical_planet) label "Wulkan (planeta)".
- Vulcan_(hypothetical_planet) label "Вулкан (планета)".
- Vulcan_(hypothetical_planet) label "バルカン (惑星)".
- Vulcan_(hypothetical_planet) label "祝融星".
- Vulcan_(hypothetical_planet) sameAs Vulkán_(planeta).
- Vulcan_(hypothetical_planet) sameAs Vulkan_(Planet).
- Vulcan_(hypothetical_planet) sameAs Vulcano_(planeta_hipotético).
- Vulcan_(hypothetical_planet) sameAs Vulcain_(planète).
- Vulcan_(hypothetical_planet) sameAs Vulcan_(planet_hipotetis).
- Vulcan_(hypothetical_planet) sameAs Vulcano_(astronomia).
- Vulcan_(hypothetical_planet) sameAs バルカン_(惑星).
- Vulcan_(hypothetical_planet) sameAs 벌컨_(행성).
- Vulcan_(hypothetical_planet) sameAs Vulcanus_(planeet).
- Vulcan_(hypothetical_planet) sameAs Wulkan_(planeta).
- Vulcan_(hypothetical_planet) sameAs Vulcano_(planeta).
- Vulcan_(hypothetical_planet) sameAs m.0c0l_.
- Vulcan_(hypothetical_planet) sameAs Q213636.
- Vulcan_(hypothetical_planet) sameAs Q213636.
- Vulcan_(hypothetical_planet) sameAs Vulcan_(hypothetical_planet).
- Vulcan_(hypothetical_planet) wasDerivedFrom Vulcan_(hypothetical_planet)?oldid=602434858.
- Vulcan_(hypothetical_planet) isPrimaryTopicOf Vulcan_(hypothetical_planet).