Two years ago, the Planck mission group at the European Space Agency produced a substantial data release that defined the best-ever measured age of the universe at 13.8 billion years. This was slightly older than previous best estimates. This important moment in defining one of the universe’s fundamental parameters caused John Gribbin, one of our premier science writers, to issue a new book. Gribbin’s 13.8: The Quest to Find the True Age of the Universe and the Theory of Everything, ...
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