Explain how life might have possibly developed on Europa as it exists today.

What is Dr. Floyd's motivation to visit the surface of Haley's comet?

Describe how water can be used as a spaceship propellant.

Speculate on the origin of the light observed in the cave on Haley's comet.

List the laws of physics mentioned in the novel.

What is the significance of the monolith on Europa?

What predictions made in 1987, the publish year of the novel, have and have not come true?

Why does the human race reach for the stars?

Compare and contrast the science of the odyssey series with the science of the Star Trek series.

Why did Sir Arthur C. Clark sell this novel to his editor for only one dollar?