🔬 Science Jun 8, 2026 · Ethan Siegel

From the smallest to the biggest objects in space

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From the smallest to the biggest objects in space
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Fully comprehending our Universe requires imagining extraordinarily different scales.



A region of space devoid of matter in our galaxy reveals the Universe beyond, where every point visible here is a distant galaxy. The cluster/void structure can be seen very clearly, demonstrating that our Universe is not of exactly uniform density on all scales. While there are many galaxy-rich regions, galaxy-poor or even galaxy-free regions are also abundant, like holes within a cosmic Swiss cheese. Withi

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