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Danny Laghi

@ author · # tag · ! scientist
1 articles · 3 co-authors · latest: 2026-01-08
Co-authors: Felipe Andrade-Oliveira · David Sanchez-Cid · Marcelle Soares-Santos
Tags: expansion of the universe · gravitational waves · galaxy · neutron star · dark matter
Laws: Hubble's law · gravitational lensing · Einstein field equations · Fermi–Dirac statistics · virial theorem · Chandrasekhar limit · quadrupole radiation formula · standard quantum limit

Gravitational waves refine cosmic expansion rate

By combining gravitational waves from merging neutron stars with galaxy surveys, scientists refined the universe’s expansion rate to 67.9 km/s per megaparsec (6.4% uncertainty), bridging a long-standing debate.
arXiv:2601.04774v1 · 2026-01-08