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The Big Bang Theory. Before the Big Bang There was nothing: space, time, matter, & energy didnt exist.

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Presentation on theme: "The Big Bang Theory. Before the Big Bang There was nothing: space, time, matter, & energy didnt exist."— Presentation transcript:

1 The Big Bang Theory

2 Before the Big Bang There was nothing: space, time, matter, & energy didnt exist

3 Then everything changed, and we dont really know why.

4

5 It is the expansion of a singularity that formed the universe. It created everything: Time, Space, and the Matter (atoms) that make up everything The Big Bang is the birth of the universe 13.7 billion years ago.

6 So what happened?

7 Everything was compressed into a tiny spec. It suddenly expanded very rapidly and was very hot.

8 As it expanded it cooled and matter began to form by sticking together.

9 Eventually the matter clumped together into nebula clouds

10 Then gravity helped pull the matter in to make stars and galaxies.

11 Some of these stars died out & blew up. From the debris new stars and planets formed like our solar system.

12 The universe continues to expand, stretching space and time b/t the galaxies.

13 A brief writing break to watch this video review Expansion of the Universe film

14 Edwin Hubble used a very powerful telescope to see: 1.The Milky Way is NOT the only galaxy 2.Galaxies are moving away from each other (if they are moving away now then at some point they must have been closer-George Lemaitre) What proof do we have for the Big Bang?

15 Edwin Hubble's Telescope

16 Video-What is the Universe expanding into?

17 3. Leftover radiation fills all of space (space is now cold, 3K) 4. The amount of Hydrogen & Helium found in the universe matches predictions.

18 The Universe is like Raisin Bread Interview with Noble prize winner Dr. Adam Reiss /Universe-like-raisin- bread-says-Nobel-prize- winner.html Video of rising raisin bread watch?v=0z8hrRXQuHY watch?v=L8DgU07fjYk


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