News in Brief Astronomy

Cosmic rays misbehave in space station experiment

Particle count at higher energies challenges shock wave–origin scenario

The AMS on the ISS

COSMIC RAY COLLECTOR  The Alpha Magnetic Spectrometer (center) analyzes speedy cosmic particles from its perch on the International Space Station. New results may complicate scientists’ understanding of where the particles come from.

NASA

By Andrew Grant

- More than 2 years ago

A new census of charged particles buzzing through space includes a puzzling feature that challenges predictions about how these particles originate.