By 1859 he had confirmed unexplained peculiarities in Mercury's orbit and predicted they had to be the result of gravitational influences of another unknown nearby planet or series of asteroids. The case for their probable existence was bolstered by the French mathematician who had used disturbances in the orbit of Uranus to predict the existence of planet Neptune, Urbain Le Verrier. Speculation about, and even purported observations of, intermercurial bodies or planets date back to the beginning of the 17th century. Vulcan / ˈ v ʌ l k ən/ was a theorized planet that some pre-20th century astronomers thought existed in an orbit between Mercury and the Sun. This article is about the hypothetical planet.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |