Abstract
AS is well-known, a rapidly moving electron has a greater mass than a stationary one; more force is required to deflect it from its path or to produce a specified acceleration. The theory of relativity shows that this is not an isolated phenomenon, but an example of a universal principle. Every natural system, on acquiring additional energy? increases its mass by E/C2, and a loss of energy causes a corresponding loss of mass.1 For example the sun, losing energy by radiation at the rate of 3-8? 1033 ergs per second, must be losing mass at the rate of 4-2???12 grammes (about four million tons) a second.
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JEANS, J. The Ages and Masses of the Stars. Nature 114, 828–829 (1924). https://doi.org/10.1038/114828a0
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DOI: https://doi.org/10.1038/114828a0
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