1. Discuss the implications that science cannot yet tell us what caused the Big Bang or what, if anything, existed before the Big Bang occurred. 2. Explain why gravitational attraction has dominated...

1. Discuss the implications that science cannot yet tell us what caused the Big Bang or what, if anything, existed before the Big Bang occurred.

2. Explain why gravitational attraction has dominated the behavior of the universe until recently and why the dark energy determines the fate of the universe.