Today we discussed the theories of the origins of the universe. The one that is the most widely accepted is the Big Bang Theory. We talked about what cosmology is, the Big Bang, the Doppler red shift, dark matter and dark energy. Then, we did a lab using balloons to simulate what is happening still in the universe as it expands. The lab can be found on page 840 of your textbooks.
Today we also did notebook checks. As I mentioned in class, grades for the progress reports go in at noon tomorrow. If there is something you need to see me about, you must do it before then.
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