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The NASA website hosts a large number of images from ... Images featured on the Astronomy Picture of the Day ... 1=Animation of Schumann resonance in Earth's ...
The global electromagnetic resonance phenomenon is named after physicist Winfried Otto Schumann who predicted it mathematically in 1952. Schumann resonances are the principal background in the part of the electromagnetic spectrum [2] from 3 Hz through 60 Hz [3] and appear as distinct peaks at extremely low frequencies around 7.83 Hz (fundamental), 14.3, 20.8, 27.3, and 33.8 Hz.
Current events; Random article; About Wikipedia ... Schumann resonance of the Earth. Date: 24 April 2024: Source: ... Please link images|File:Schumann resonance (EN ...
For Earth Day on April 22, interesting facts including who invented it, why it's on that date, and how it turned into a global movement.
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In 1970, millions of Americans concerned about the environment observed the first 'Earth Day.' Forty-four years later, the tradition and message of conserving our beautiful planet is still going ...
The fundamental Schumann resonance is at approximately 7.83 Hz, the frequency at which the wavelength equals the circumference of the Earth, and higher harmonics occur at 14.1, 20.3, 26.4, and 32.4 Hz, etc. Lightning strikes excite these resonances, causing the Earth–ionosphere cavity to "ring" like a bell, resulting in a peak in the noise ...
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