Lecture 1 - Intro to AST101 - September 10.docx

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Department
Astronomy & Astrophysics
Course
AST101H1
Professor
Michael Reid
Semester
Fall

Description
September 10, 2013. Lecture 1 – Introduction to THE UNIVERSE About AST101  Giving you a new perspective on the universe  Eumestat satellite, orbiting and detailed mapping of the Earth  Earth from Apollo 17, 1972 o The last time anyone walked on the moon o First image of the Earth  Earth 66 million years ago: o Lush, tropical, dinosaurs  65 million years ago o Asteroid collides with Earth in what is present day Mexico o Kicked up an enormous plume of dust and gas and such into atmosphere o Ignited fires all over the world, large parts of the Earth burned o The parts that didn’t burn mostly died out due to sun being blocked out by dust a
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