Space Events

Radio Shield

Earth appears to be protected from space radiation by a type of radio signal mainly used by the military and government agencies.

Very Low Frequency (VLF) signals have been transmitted since the 1960s, some with the intense power necessary to reach submarines in the oceans.

But they also radiate past Earth’s atmosphere, creating a protective “bubble” that extends to the innermost edges of the Van Allen Radiation Belts, which also shield against harmful radiation.

The VLF bubble seems to add additional protection to Earth’s surface from potentially dangerous space weather, such as bursts of charged particles ejected during solar storms.

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