Vulcan is a small hypothetical planet that was proposed to exist in an orbit between Mercury and the Sun. Attempting to explain peculiarities of Mercury’s orbit, . Why did you decide to pluck it from obscurity? Vulcan was an inhabited M-class planet in the Vulcan system. We know Albert Einstein best for his revolutionary physics theories, but he also made a huge (though lesser-known) breakthrough in planetary . For several decades in the 19th century, many of the world’s top astronomers believed that a hypothetical planet called “Vulcan” existed in our . The story of the planet closest to our sun, aptly named Vulcan, which accidentally existed for half a century.
The planet Vulcan is the name given to an object once thought to be orbiting between Mercury and the Sun. Vulcan: From Star Trek (Image Credit: vanderghast on deviantart). Le Verrier called his hypothetical planet Vulcan, after the Greek god of fire. If this planet existed it would have been very close to the Sun and .