establsihing our palce in the universe

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Department
Astronomy & Astrophysics
Course
AST101H1
Professor
Michael Reid
Semester
Fall

Description
September 13 2011Introduction establishing our place in the universeEarth46 billion years ago our universe was made of gas and dust Shortly after earth began to progressively form over time but it was not formed to the way it is today until 3 billion years ago 70 million years ago Earth became a vibrant living place until 5 million years later a rock smashed into Earth making the planet nonlivingExtinction has not stoppedDifferent perspective earth is small compare to the other planets as seen in pictures
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