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cosmic ray



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Nearly a mile of rock above the experiment blocks much of the cosmic ray radiation arriving from space.

From Science Daily Sep. 4, 2026

Because this same feature appears across many different types of particles, the findings strongly support theories suggesting that cosmic ray acceleration and movement through space are controlled by rigidity.

From Science Daily May 14, 2026

In 1948, Bristol's cosmic ray physics team, led by Professor Cecil Powell, were hunting for new fundamental particles.

From BBC Jul. 23, 2024

Inspired by his doctoral adviser, John A. Simpson, Dr. Stone performed his first cosmic ray experiments in 1961 while working on Discover 36, an Air Force spy satellite.

From New York Times Jun. 14, 2024

“Some of the cosmic ray enthusiasts are very likely to urge that nature has furnished us with particles of extremely high energies,” he observed.

From "Big Science" by Michael Hiltzik



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