Com tographie est le fruit de dix ann es de recherches men es par Alexandre Guy Pingr , astronome et g ographe fran ais. Le livre examine l'histoire compl te des com tes, de leur visibilit dans l'Antiquit l'apparition de la com te de Halley. Pingr utilise une approche th orique et math matique pour expliquer les mouvements com taires et fournit galement des observations d taill es pour chaque com te connue.
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