The Millennium Simulation showing the evolution of cosmological structure across 13.5 billion years. First view is ~5 billion light years across, second is ~1.2 billion ., and third is 300 million. The tiny dots represent galaxies, distributed in filaments and nodes around large voids.

https://bit.ly/3AfVPaa via /r/spaceporn https://bit.ly/3Apd9th