@jculv Or, from the Milky Way at 10 mill lightyears away to quarks: http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10
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@jculv Or, from the Milky Way at 10 mill lightyears away to quarks: http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10