Visualization of Earth’s magnetic environment, with the magnetic field as a protective shield, generated by the strong internal magnetic field in Earth’s core.. Credit: Martin Rother/GFZ
A geomagnetic storm on 1/17/13, provided unique observations that finally resolved a long-standing scientific problem. For decades, scientists had asked how particles hitting Earth’s magnetosphere were lost. A likely mechanism involved certain electromagnetic waves scattering particles into Earth’s atmosphere. More recently, another mechanism was proposed that caused particles to be lost in interplanetary space...
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