Tag: #cosmology

CERN study finds early-universe quark-gluon plasma leaves a liquidlike wake

Using 2018 LHC lead-ion data, CMS reports clearest evidence yet that quark-gluon plasma behaves like a liquid, complete with wakes.

#cern, #lhc, #particlephysics, #quarkgluonplasma, #cosmology

Study Warns Ultra-High-Frequency Gravitational Waves May Be Too Faint to Hear

A new arXiv analysis finds cosmological bounds leave few viable sources of megahertz–gigahertz gravitational waves, tightening targets for would-be detectors.

#gravitationalwaves, #cosmology, #earlyuniverse, #physics, #detectors

Hubble Spots a ‘Failed Galaxy’: Dark-Matter Cloud Cloud‑9 Has Gas but No Stars

Near galaxy M94, Hubble confirms Cloud‑9: a dark‑matter halo filled with hydrogen yet essentially starless, matching long‑predicted ‘failed galaxies.’

#hubble, #darkmatter, #galaxies, #astronomy, #cosmology

New Study Challenges Accelerating Universe: Dark Energy May Be Weakening

Study suggests the universe's expansion may be slowing, challenging our understanding of dark energy and cosmic dynamics.

#universe, #darkenergy, #cosmology, #astronomy

DESI's Data Release 1 Challenges Assumptions of Dark Energy's Constancy

DESI's new data suggests dark energy may be evolving, altering our understanding of the universe's expansion.

#cosmology, #darkenergy, #universe, #astrophysics