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Google Translated to English: https://www-observatoiredeparis-psl-eu.translate.goog/revue-fortement-a-la-baisse.html?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=de&_x_tr_pto=wapp https://www-observatoiredeparis-psl-eu.translate.goog/revue-...