Distant quasar spectrum reveals no sign of changes in mass ratio of proton and electron over 12…

A team of space researchers working with data from the VLT in Chile has found via measuring the spectrum of a distant quasar by analyzing absorption lines in a galaxy in front of it, that there was no measurable change in the mass ratio of protons and electrons over a span of 12 billion years.

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Distant quasar spectrum reveals no sign of changes in mass ratio of proton and electron over 12…

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