TY - JOUR AU - Monjo Agut, Robert PY - 2024 DO - 10.3847/1538-4357/ad3df7 SN - 0004-637X SN - 1538-4357 UR - https://hdl.handle.net/20.500.14352/104207 T2 - The Astrophysical Journal AB - Modern cosmology presents important challenges such as the Hubble Tension, El Gordo’s collision, or the impossible galaxies (z > 10). Slight modifications to the standard model propose new parameters (e.g., the early and dynamical dark energy). On the... LA - eng PB - IOP Publishing KW - General relativity KW - Friedmann-Robertson_Walker metric KW - Space time metric KW - Cosmological parameters KW - Hubble time TI - What if the Universe Expands Linearly? A Local General Relativity to Solve the “Zero Active Mass” Problem TY - journal article VL - 967 ER -