Vulcan
Concept
hypothetical planet between the Sun and Mercury
Mentioned in 2 videos
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Videos Mentioning Vulcan
Brian Keating: Cosmology, Astrophysics, Aliens & Losing the Nobel Prize | Lex Fridman Podcast #257
Lex Fridman
A hypothetical planet once proposed to explain Mercury's anomalous orbit, an example of a 'dark matter' approach to an astronomical problem.
Dark matter: the next frontier – Public lecture by Dr. David E. Kaplan
Fermilab
A hypothetical planet proposed by Urbane Leverier to explain Mercury's anomalous orbit, later disproven by Einstein's theory of relativity.