Context: Another view, advanced by Richard Dawkins, is that the existence of God is an empirical question, on the grounds that "a universe with a god would be a completely different kind of universe from one without, and it would be a scientific difference." Carl Sagan argued that the doctrine of a Creator of the Universe was difficult to prove or disprove and that the only conceivable scientific discovery that could disprove the existence of a Creator would be the discovery that the universe is infinitely old.

Question: What did Sagan argue was the only was to prove the existence of God?
Answer: the discovery that the universe is infinitely old

Question: What is Richard Dawkins belief about the existence of God?
Answer: "a universe with a god would be a completely different kind of universe from one without, and it would be a scientific difference."

Question: What kind of difference does Dawkins believe would come from the existence of God?
Answer: a scientific difference

Question: Who argued that the existence of God is an empirical question?
Answer: Richard Dawkins

Question: Who stated that God was difficult both to prove or disprove?
Answer: Carl Sagan

Question: How could science discover if there was not a creator?
Answer: the universe is infinitely old.

Question: How would the universe be different according to Carl Sagan?
Answer: Unanswerable

Question: What grounds did Carl Sagan use to explain God's existence and how it would change the universe?
Answer: Unanswerable

Question: What did Richard Dawkins believe was difficult to prove?
Answer: Unanswerable

Question: What did Richard Dawkins believe could disprove the existence of a Creator?
Answer: Unanswerable

Question: What view did Carl Sagan have about the question of the existence of God?
Answer: Unanswerable