High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may hide a superheavy secret that is the key to unlocking a 60-year-old puzzle.

What flings mysteriously powerful particles called 'cosmic rays' at Earth?

Source: space
Source Link: https://www.space.com/science/particle-physics/what-flings-mysteriously-powerful-particles-called-cosmic-rays-at-earth