is the cosmos infinite?
https://bigthink.com/starts-with-a-bang/universe-infinite/
milky way
cosmic filaments
https://www.quantamagazine.org/pulsar-data-may-point-to-cosmic-strings-from-the-big-bang-20200929/ https://www.sciencenews.org/article/dark-matter-cosmic-filaments-biggest-spinning-objects-space https://astrobites.org/2022/08/10/firmament_filaments/ https://en.wikipedia.org/wiki/Galaxy_filament