English Dark matter Cited by user Sandizer on 17 Aug 2023 Because dark matter has not yet been identified, many other hypotheses have emerged aiming to explain the same observational phenomena without introducing a new unknown…
English Primordial black hole Cited by user Citation bot on 29 Apr 2023 In cosmology, primordial black holes (PBHs) are hypothetical black holes that formed soon after the Big Bang.