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Earth's Flipping Magnetic Field Heard as a Sound Is an Unnerving Horror
- Scientists mapped the Laschamps reversal and produced an audio track using natural sounds to represent the event.
- The Laschamps reversal occurred about 41,000 years ago and lasted around 440 years at reduced strength.
- During the event, the magnetic field weakened to about 5 percent of its current strength.
- Evidence for the reversal includes higher isotopic signatures such as beryllium-10 in ice and marine sediments.
- The Soundtrack-like interpretation was created by interpreting ESA Swarm satellite data and Earth’s magnetic field line movements.
- Researchers warn current Atlantic anomalies and field fluctuations may not necessarily signal an imminent reversal.
- ESA’s Swarm mission has been measuring magnetic signals from Earth's core, mantle, crust, oceans, ionosphere, and magnetosphere since 2013.
- The article connects the Laschamps event to potential climate and ecosystem impacts in ancient times.
- The piece notes the relationship between magnetic field dynamics and space climate predictions.
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