The Big Bang

    Description     The BIG PICTURE: Describe the latest theories regarding the creation and fate of the universe. Include, in your account: What is the evidence for the "Big Bang"? As the universe expands, what is it expanding into? Where did the Big Bang take place? How do we know that it was hot? How is it possible to measure how the universe is curved? What is dark energy? What will happen if the universe keeps expanding forever?