**An Introduction to Cosmic Rays and Gamma-Ray Bursts**

by A. De Rujula

**Publisher**: arXiv 2007**Number of pages**: 37

**Description**:

The author reviews the subjects of non-solar cosmic rays (CRs) and long-duration gamma-ray bursts (GRBs). This is a version of an introductory talk to high-energy physicists. Nothing besides the standard model is required to understand CRs of any energy.

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