Astrophysicist Jim Al-Khalili investigates the invisible force that governs the cosmos: gravity. Tracing its story from Isaac Newton’s groundbreaking discoveries to Einstein’s game-changing theory of relativity, he uncovers how gravity controls everything from the motion of planets to the formation of black holes. Exploring warped space-time, gravitational waves and the universe’s most extreme phenomena, this documentary reveals why gravity remains one of science’s greatest unsolved puzzles.
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