HIS 104 Lecture Notes - Lecture 1: Manhattan, Impact Crater, Deccan Traps
28 Feb 2019
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His 104 - 10 days that shook the world. Range of topics to highlight methods of historical investigation and analysis. Highlight significance of the past to our present. Chicxulub impact crater: found pollen in rock flowering of lotus and water lily, impact happened between june-july. There was a light (the asteroid) in the sky the dinosaurs saw. Asteroid was 6 miles wide and 6 miles long (size of manhattan island or mt. When the asteroid hit nighttime hole in the daytime sky, whole world went dark. The dinosaurs were killed: heat from asteroid made blood inside dinos boil which killed them, only until late 70s/80s the dinosaurs got killed. Yucatan peninsula crater where the asteroid hit in the gulf of mexico. The dinosaurs: +/- 185 million year existence. Anatomically modern humans (us): 200,000 years ago. Chicxulub asteroid impact c. 66 million years ago.
