NASA's Van Allen Probes Find Human-Made Bubble Shrouding Earth

Humans have long been shaping Earth's landscape, but now scientists know we can shape our near-space environment as well. A certain type of communications -- very low frequency, or VLF, radio communications -- have been found to interact with particles in space, affecting how and where they move. At times, these interactions can create a barrier around Earth against natural high energy particle radiation in space. These results, part of a comprehensive paper on human-induced space weather, were recently published in Space Science Reviews.
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Credit: NASA's Goddard Space Flight Center/Genna Duberstein, Krystofer Kim and Mary Pat Hrybyk-Keith
Music: Alternate and Parallel by Richard BirkinComplete transcript available.
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