60 Second Science : 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

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