The Most Realistic Threat To Humanity

From 'Naked Science'' Season 1, Episode 8: It appears peaceful, serenely floating through the cosmos—but a single lump of rock contains more explosive power than every nuclear bomb on Earth combined. Traveling at 50 times the speed of sound, a major impact would release 100 million megatons of TNT, triggering tsunamis, earthquakes, and a global "oven effect" that could end human civilization.

Courtesy of Wonder on YouTube. Watch on YouTube ↗

More Space & Cosmos Documentaries

Life Beyond II: The Museum of Alien Life (4K)2020•38m•4K•★9.2Life Beyond: Visions of Alien Life (4K)2024•1h 48m•4K•★9.1Death of the Universe (4K)2019•29m•4K•★9Shouting at Stars: A History of Interstellar Messages2022•32m•HD•★8.8The Crisis in Physics: Why the Higgs Boson Should NOT Exist!2025•19m•HD•★7.7Close Encounters with Terrifying Aliens - UFO Files2026•29m•HD•★7.6Unexplained Mysteries of the Cosmos - Space Documentary 20242024•2h 38m•4K•★8.2Where Did Dark Matter and Dark Energy Come From?2021•45m•HD•★8.0Planet Earth’s Apocalyptic Origins2025•2h 31m•HD•★8.0Apollo 15: In the Mountains of the Moon2023•28m•4K•★8A Journey to the Center of the Milky Way | Space Documentary 20252025•2h 45m•HD•★7.8When Black Holes Collide2020•27m•HD•★7.8