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Physicists zoom into the birth of cosmic rainstorms with new CERN study

By Jesse Liu, Assistant Professor of Physics, New York University

Every second, particles zip through your body at nearly the speed of light. They rain down from a storm high in the sky, where cosmic rays, a powerful type of interstellar matter, are constantly striking atoms in Earth’s atmosphere. The impacts break them apart into a shower of particles that rain to the ground.

Scientists have studied these cosmic rainstorms for over a century, but they lack a precise understanding…

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