{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/6aee85559272884e574fd5f6/6af1087097f44ee248d70fd9?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"The Planet Vulcan | Astronomers Hunted a World That Was Never There","description":"Mercury, the planet closest to the Sun, kept drifting off the path that Newton's law of gravity laid out for it, by an amount smaller than a coin seen across a football field. The famous mathematician who had already found Neptune with pencil and paper was sure he knew why, and a country doctor in France claimed to have seen the culprit cross the Sun. Decades of searching and two dramatic eclipses later, the real explanation turned out to be far stranger than anyone expected. So what was really pulling Mercury off course?\r\n\r\nThis episode was created with artificial intelligence: AI-assisted script and AI-generated (synthetic) voice.","author_name":"Creators Obomedia"}