cosmic ray

NOUN

high-energy radiation from space

Synonyms

WEAK

aurora particles cosmic particle cosmic particles intergalactic matter radiation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Their aim is to understand why some cosmic ray sources emit neutrinos while others do not, as well as pinpoint where and how those neutrinos are produced.

From Science Daily • Nov. 26, 2025

Zhang's team will next examine cosmic ray sources by merging IceCube Neutrino Observatory data with results from X-ray and gamma-ray telescopes.

From Science Daily • Nov. 26, 2025

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