Dia: 30 de março de 2023

https://arxiv.org/abs/2303.15431 During the first 500 million years of cosmic history, the first stars and galaxies formed and seeded the cosmos with heavy elements. These early

Volume 5 | Issue 4 | 604At what distance from us and when starts the Hubble expansion?Research ArticleArgelander Institut für Astronomie, Universität Bonn,Auf dem Huegel

Hans J.Fahr, Argelander Institute for Astronomy, University of Bonn, Auf demHuegel 71, 53121 Bonn Germany. Hans J.Fahr, Argelander Institute for Astronomy, University of Bonn, Auf