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The solar system is difficult to show correctly. Why? It is difficult because the size of things are vastly different. Let me use units common in solar-system astronomy, the Astronomical Unit (or AU).

Starting with an Earth the size of a marble, these folks built a full-scale model of our solar system across 7 miles of Nevada desert. Anthony Domanico CNET freelancer Anthony Domanico is passionate ...

WASHINGTON -- Picture the sun as the size of a grapefruit. That would make tiny Pluto smaller than a poppy seed in the Smithsonian Institution's new scale model of the solar system. By the same scale, ...