More than 42 years ago, Kenneth Greisen from Cornell University, Grorgiy Zatsepin and Vadim Kuzmin from Mascow Lebedev Institute of Physics independently predicted that cosmic rays emitted throughout the universe would never hit the Earth at their full strength due to collision with the Cosmic Microwave Background, remnant of the Big Bang event that led to the birth of the universe. This is called Greisen-Zatsepin-Kuzmin (GZK) suppression of ultrahigh-energy cosmic rays.
Now, University of U...
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