What distinguishes cosmic rays from electromagnetic waves like gamma rays?
Answer
Cosmic rays are streams of high-energy, electrically charged particles
Cosmic rays are explicitly defined as streams of high-energy, electrically charged particles, predominantly protons and atomic nuclei, whereas electromagnetic waves like gamma rays are photons.

Related Questions
What is the approximate temperature of the Cosmic Microwave Background radiation today?What process caused the light emitted when the universe was young to shift into the microwave band today?What distinguishes cosmic rays from electromagnetic waves like gamma rays?What are the primary components that make up cosmic rays?What is the main reason it is difficult to pinpoint the exact source of a detected cosmic ray particle?What is the significance of gamma rays in astrophysics?When the CMB radiation was first emitted, what form of light did those photons primarily consist of?Which of the following factors provides the primary protection for life on Earth from charged cosmic ray particles?What happens to primary cosmic rays that manage to penetrate the Earth's magnetic barrier?What phenomenon allows a Gamma-Ray Burst (GRB) to briefly outshine the entire observable universe in its specific wavelength?