Chapter 4: The Big Bang Theory

• Please watch the following clip and explain why is the theory of Cosmic Inflation is a necessary part of the Big Bang Theory: https://bit.ly/1Mb9fU0. You can find the accompanying information here.
• Then try to answer the following questions: Is the universe currently cooling down or heating up? Why?
• Why is this important for the existence of human life?
  

Send your answers to ucg@rug.nl and we will have an expert provide feedback within two weeks.