Zoomable universe

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

      Nautilus Members enjoy an ad-free experience. Log in or Join now . Caleb Scharf wants to take you on an epic tour. His latest book, The Zoomable Universe, 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 […]