It's time we explore the mysteries of the only home we've ever known: Planet Earf. We answer the important questions. How do mountains form? If we drilled through the entire planet and jumped in, how long would it take to reach the center? How do we know different layers exist if we never drilled through the crust? What even are earthquakes? High Science explores our rocky spaceship and the processes that shaped it over its 4.6 billion year lifespan.

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