this post was submitted on 01 Jul 2023
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Cover author: Michał Kałużny http://astrofotografia.pl/
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The reason it isn't presented geometrically, by the way, is because over such upsettingly huge distances "geometry" loses some meaning. The current position of everything is more a view through time than actual space. So the map of the universe is much more like a timeline than an explorable map.
At the scale of the map up top, a billion years more or less won't make a huge difference, so it makes fair sense to present it that way. But once you're up to 100 Gy and beyond... shit gets weird.