Temps profond
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<timefyi-glossary slug="deep-time"></timefyi-glossary>Définition
Le concept du temps géologique couvrant des millions à des milliards d'années, bien au-delà de l'expérience intuitive humaine. Inventé par John McPhee, il est essentiel pour comprendre l'histoire de la Terre, l'évolution et la cosmologie.