Space Daily July 25, 2026 • 03:30

In 1991, a single subatomic particle struck Earth carrying the kinetic energy of a fast-bowled cricket ball — tens of millions of times more than any human accelerator can give one proton — and physicists still cannot explain what launched it - Space Daily

A cosmic particle hit Earth with the force of a professional cricket throw—but no known physics can explain where it came from or how it got here.

Fifty joules does not sound like an astronomical amount of energy. It is roughly the kinetic energy of a one-kilogram object moving at ten metres per second.
Put that energy into one subatomic parti… [+7082 chars]

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In 1991, a single subatomic particle struck Earth carrying the kinetic energy of a fast-bowled cricket ball — tens of millions of times more than any human accelerator can give one proton — and physicists still cannot explain what launched it - Space Daily

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