{"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/6446f87334dc2b0011639036?\" 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/e085fad9-0e0d-43e7-9cf4-2bf4c2bad1fb.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&nbsp;Tunguska-händelsen.</p>","author_name":"Acast"}