Part 1:  We study history on many different scales to understand history and know the precise details. We study the universe to get a better Idea of how we began 13.7 billion years ago. We study ur DNA to show how we evolved from the most primitive creatures to who we are today. What I noticed in our raisin picture of how small the earth us compared to our sun. And where the sun was it was hard to see it from the end of the hall where the raisin and baseball were.