Hear the terrifying sounds of Earth's north and south poles 'flipping' 41,000 years ago
The Earth's poles rotated 41,000 years ago in an unusual event that caused the magnetic field to weaken, allowing cosmic rays to hit the atmosphere. And now we humans have heard for the first time the terrifying sounds of the so-called Laschamp event. Scientists used satellites to map lightning strikes on our planet, capturing what … Read more