Chasing Black Holes: Secrets of the Universe

This documentary follows two landmark breakthroughs in modern astronomy: the first-ever image of a black hole and the detection of gravitational waves rippling through spacetime. It meets the scientists and international teams whose years of work made these historic discoveries possible. Along the way it explains what black holes are, how they warp light and time, and why they sit at the frontier of physics. Clear and genuinely thrilling, it captures a rare moment when the invisible became visible. Free to watch in HD on Dr Documentary.

Courtesy of Free Documentary on YouTube. Watch on YouTube ↗

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