Fuente: symmetry breaking
Expuesto el: lunes, 19 de abril de 2010 20:13
Autor: Guest author
Asunto: Neutrinos: Clues to the most energetic cosmic rays
| We’re constantly being peppered by showers of debris from cosmic rays colliding with atoms in the atmosphere. Cosmic rays aren’t actually rays, of course, they’re particles; ninety percent are protons, the nuclei of hydrogen atoms, and most of the rest are heavier nuclei like iron. Some originate from our own sun but most come from farther off, from the Milky Way or beyond. |
