Underground Subatomic-particle Measurements Yield Meteorological Clues

Friday, March 27, 2009 - 19:14 in Astronomy & Space

When high-energy cosmic rays interact with molecules in the atmosphere, they produce muons, negatively charged elementary particles that can be detected at ground level or underground. The rate of these muons detected by underground detectors has been found to correlate strongly with temperature changes in the upper air.

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