@pomarede @QuantaMagazine

First author Alexia Lopez also presented a seminar talk on this paper, available at https://youtu.be/-zkGk6EPMC8

The paper: A Giant Arc on the Sky, https://arxiv.org/abs/2201.06875

#Cosmology #CosmologicalPrinciple #LCDM #LargeScaleStructure

#CosmologicalPrinciple #CMB #QSOs
"Testing the Cosmological Principle with CatWISE Quasars: A Bayesian Analysis of the Number-Count Dipole"
L. Dam et al.

"... the amplitude of the dipole is found to be 2.7 times larger than that expected from the conventional kinematic explanation of the CMB dipole, with a statistical significance of 5.7σ"
🔗 https://arxiv.org/abs/2212.07733

Cosmologists Parry Attacks on the Vaunted Cosmological Principle
A central pillar of cosmology — the universe is the same everywhere and in all directions — is surviving a storm of possible evidence against it.

https://www.quantamagazine.org/giant-arc-of-galaxies-puts-basic-cosmology-under-scrutiny-20211213

Giant Arc on the Sky, discovery paper by Alexia Lopez and co-authors: https://arxiv.org/abs/2201.06875

#universe #cosmology #cosmologicalprinciple #serendipity #cosmicweb #galaxies #astronomy #astrophysics #physics #space #science #cosmos #deepsky #extragalactic