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What is the speed of a Neutrino?

The speed of a Neutrino particle is very near the speed of light. Similarly the mass is non-zero but very small (Neutrinos have mass). They are electrically neutral, and can change flavor (and effective mass) depending on circumstances, which is a bit counter-intuitive - imagine a basketball that changes weight as it moves through the air.
by Margaret Walker on Wed, 04/28/2010 - 12:13

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