View Full Version : PAMELA Uncovers Cosmic Ray Surprise

2011-Mar-03, 08:10 PM
High energy particles called cosmic rays are constantly bombarding Earth from all directions, and have been thought to come from the blast waves of supernova remnants. But new observations from the PAMELA cosmic ray detector show an unexpected difference in the speeds of protons and helium nuclei, the most abundant components of cosmic rays. The [...]

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