Cosmic Rays and Dwarf Galaxies
Supernovae in dwarf galaxies can produce large amounts of cosmic rays, which can drastically affect the galaxies.
A PeVatron at the Galactic Center
The gamma-ray experiment HESS offers compelling evidence of a PeVatron that may help us better understand galactic cosmic rays
A new galactic component of cosmic rays?
Today’s paper investigates the mass composition of galactic cosmic rays using radio astronomy measurements
The Solar Disk baffles in High Energy
Does the Sun shine in high-energy gamma rays? Apparently so, in the form of a halo surrounding itself. But certain features of this gamma-ray halo are perplexing.
Our Moon, the Cosmic Ray Detector
The moon provides an easy way to detect rare ultra-high-energy cosmic rays.
Cosmic rays on the sky – where do they come from?
Cosmic rays hit the Earth and produce showers of particles that can be detected on the ground. Understanding where these cosmic rays come from can help scientists pin down their sources and construct models for the magnetic field in our neighborhood.