The most energetic cosmic ray particle ever detected was given the brilliant moniker, the "Oh My God" particle. Detected in ...

Cosmic rays are made of subatomic particles, such as protons and electrons, whose energies span a wide spectrum. Ultra-high-energy cosmic rays easily host tens of millions of times more energy ...

In early October 2022 a wave of high-energy radiation swept over Earth from a gamma-ray burst, one of the most singularly catastrophic and violent events the cosmos has to offer.

The energy transported by the radiation is converted into a visual or electronic form by an X-ray detector, most of which operate in one of two energy levels, hard or soft.

It’s very hard to determine the mass of incoming cosmic rays, Coleman said. But the collaboration’s measurement is so robust and precise that a number of other theoretical models for where ...

An ultra-high-energy cosmic ray carries tens of millions of times more energy than any human-made particle accelerator such as the Large Hadron Collider, the most powerful accelerator ever built ...

A Cosmic Ray Culprit. The astronomers used a telescope called the High Energy Stereoscopic System, or HESS, to observe gamma ray jets from SS 433, a black hole orbiting a mid-sized star at the ...

The highest-energy cosmic rays come from subatomic interactions within star clusters, not supernovae, say Michigan Tech physicists and collaborators. For decades, researchers assumed the cosmic rays ...

The cosmic ray neutron sensor detects and counts the number of neutrons in the soil and in the air just above the soil. Scientists use this information to determine the moisture levels in the soil.

Some gamma rays are thought to originate in the same environs as cosmic rays. One way they’re produced is that cosmic rays, shortly after being launched, can slam into relatively low-energy ...

Ultra-high energy cosmic rays are orders of magnitude more powerful than the sun's energetic particles: They can reach up to 10 20 electron volts, ...

Historically, other high-energy cosmic rays have been detected, such as a 320-EeV particle in 1991, a 213-EeV particle in 1993, and a 280-EeV particle in 2001, all in the Northern Hemisphere.