82K views · 783 reactions | Today is International Asteroid Day! Find out what happens underground when a gigantic asteroid hits Earth with hyper-velocity. #KnownUniverse | National Geographic TV | Facebook

How big are asteroids… really? In this video, we compare the sizes of famous asteroids using real-world references—from the Empire State Building to the dwarf planet Ceres, the Moon, and finally Earth itself. Watch as these space rocks grow from harmless to colossal, revealing just how massive some of them truly are. This visual journey puts the scale of our solar system’s most ancient objects into jaw-dropping perspective. | The Brain Maze

If you're looking to make billions, try mining an asteroid | CNBC