Life Beyond Earth
Chapter 1.What is the Fermi Paradox?.- Chapter 2.The Immensity of the Universe.- Chapter 3.Drake's Equation.- Chapter 4.Stellar Formation.- Chapter 5.Solar Systems with Planets.- Chapter 6.Habitable Exoplanets.- Chapter 7.Life and Exoplanets.- Chapter 8.Intelligent Life.- Chapter 9.Communication.- Chapter 10.Alien Transmission Duration.- Chapter 11.The Drake Equation: Putting All Together.- Chapter 12.First Hypothesis: We Are Alone.- Chapter 13.The Great Filter Hypothesis.- Chapter 14.The Zoo Hypothesis.- Chapter 15.The Dark Forest Hypothesis.- Chapter 16.The Aestivation Hypothesis.- Chapter 17.The Berserker Hypothesis.- Chapter 18.The Many Universe Hypothesis.- Chapter 19.A Daring Hypothesis: Alien Visitation.- Chapter 20.The Case for Extraterrestrial Life.











