Passage de Mercure devant le soleil
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daily12016-01-20T22:58:17ZObservations http://clea-astro.eu/avec-nos-eleves/observations/9-mai-2016-passage-de-mercure-devant-le-soleil/forum/observations/641018716 No publisherAnonymous2016-03-24T16:31:22ZConversation