Yes, the fight between Baryonic matter and Dark matter does promise to be quite the show: https://en.wikipedia.org/wiki/Xeelee_Sequence https://en.wikipedia.org

Yes, the fight between Baryonic matter and Dark matter does promise to be quite the show: https://en.wikipedia.org/wiki/Xeelee_Sequence https://en.wikipedia.org/wiki/Xeelee_Sequence