{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/66068b0f53b2df0016608fe8/66068b183764c90017d08bcb?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Mars a complètement changé d'apparence","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/66068b0f53b2df0016608fe8/66068b183764c90017d08bcb.jpg?height=200","description":"<p>Pour nous autres mortels, les astres semblent immuables. Et pourtant... La planète Mars, par exemple, change d'apparence au gré des tempêtes de poussières qui la balaient périodiquement.</p><p><br></p>","author_name":"Choses à Savoir"}