ScienceDaily: Cosmic Rays News |
| White dwarf star throws light on possible variability of a constant of Nature Posted: 04 Jul 2013 06:50 AM PDT Astronomers have studied a distant star where gravity is more than 30,000 times greater than on Earth to test the controversial theory that one of the constants of Nature is not a constant. The researchers used the Hubble Space Telescope to measure the strength of the electromagnetic force -- known as alpha -- on a white dwarf star. The results do not contradict the variable-constant theory. |
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