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    This Will Help You Grasp the Sizes of Things in the Universe

    by Dan Garisto Aug 14, 2018 3 minutes

    In The Zoomable Universe, Scharf puts the notion of scale—in biology and physics—center-stage. “The start of your journey through this book and through all known scales of reality is at that edge between known and unknown,” he writes.Illustration by Ron Miller

    aleb Scharf wants to take you on an epic tour. His latest book, , starts from the ends of the observable universe, exploring its biggest structures, like groups of galaxies, and goes all the way down to the Planck length—less than a billionth of a billionth of a billionth of a meter.

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