As many of you are aware, for some years I have been researching the history of the search for the planet Vulcan. The search has been an integral part of astronomical history, especially during the latter part of the 19th century. I will summarize the history into a very short space here. Speculation about the existence of an intra-mercurial planet is not new – it existed going back to the days of Galileo. It was not until the discoverer of …
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