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Science23 mars 2015
© ReutersProfitez-en !
Le printemps raccourcit chaque année de 30 secondes
Ce changement de durée des saisons s'explique principalement par le mouvement de l'axe de la terre, un phénomène que les scientifiques appellent la "précession".
Le printemps raccourcit chaque année de 30 secondes
Vu sur: Lu sur Live Science