3 papers
astro-ph.CO2026
Particle Dark Matter in the 1980s and 1990s
Michael S. Turner
In 1980, the Universe was made of stars, cosmology was the province of less than 100 astronomers, the Hubble constant was only known to within a factor of two, and the hot big bang…
astro-ph.CO2026
The DESI results impact the local determination of
Michael S. Turner, Dragan Huterer
Measurements of baryon acoustic oscillations (BAO) by the Dark Energy Spectroscopic Instrument (DESI) have revealed evidence for dark energy that evolves. If local distance measure…
astro-ph.CO2024
Quantifying the uncertainty in the time-redshift relationship
Michael S. Turner
The age of the Universe at a given redshift is a fundamental relationship in cosmology. For many years, the uncertainties in it were dauntingly large, close to a factor of 2. In th…