{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/bff7c012-b190-5fc1-ac3e-9fb9ccd6d3dd/9696b592-0503-4909-b683-85b27e22e121?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Tunguska-händelsen - Mysteriet med den sibiriska stjärnsmällen","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/611a5d5e06c05e274ef405ee/611a5dc7f761e500123d1a12.jpg?height=200","description":"<p>Vad var egentligen den ­detonation som var lika kraftig som tusen Hiroshimabomber? Forskare har lagt fram den ena fantasi­eggande teorin efter den andra genom åren, utan att helt lyckas skingra mystiken.</p> <p>Wikipedia säger sitt om Tunguska-händelsen.</p>","author_name":"Acast"}