Amsterdam, Netherlands (SPX) Dec 14, 2012 -Radio-astronomical observations of a distant galaxy indicate that the ratio of the proton’s mass to that of the electron has hardly changed over cosmic history. This fundamental constant of nature has changed by 10-7 or less, equivalent to a maximum of one hundred thousandth of a percent, in the past 7 billion years. Scientists from VU University Amsterdam and the Max-Planck-Institut fur R … more
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