What Fills the Universe’s Emptiest Spaces?
Podcast: Bedtime AstronomyPublished On: Sun Nov 09 2025
Description: Cosmic voids aren’t truly empty — they hold a faint mix of dwarf galaxies, thin gas, and dark matter, at just one-fifth the universe’s average density.In this episode, we explore what these vast “cosmic deserts” are made of and what it might mean if life or intelligence emerged in such isolated regions of space.
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