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NASA’s High Frequency Radio Signals

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(credit: NASA)

(credit: NASA)

(credit: CBS) Mike Lynch
Mike Lynch is a native Minnesotan who grew up in Richfied, Minnesota....
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There’s a NASA spacecraft that has recorded natural high frequency radio signals.

Some say they sound like whales; others say they sound like crickets.

What do you think?

for more on the story check this link out.

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