What is a "Great Demotion?" What spiritual message is Sagan using the Great Demotions to illustrate?

What is the Pale Blue Dot? What is it supposed to teach us about humanity's purpose? About human connectedness?

What is Sagan's argument that the world is not made for us? Is it any good? What does the fact that the universe is very large and appears without purpose imply about religious belief?

Describe Sagan's case for space exploration and colonization. What are his arguments? Are they successful?

Describe three important astronomical discoveries during Carl Sagan's time that he was involved in. What did he draw from these discoveries?

Name three potential sources of catastrophe that Sagan discusses. How might we avoid them?

What is Sagan's problem with traditional religion? Are his arguments any good? What do you think of his history of religion and science?

Sagan believes...