New end-of-the-week wrap-up looking at the final eBOSS data release, a new gravitational wave signature from a black hole-wormhole mergers, and how massive neutrinos affect the so-called linear point standard ruler.
My thoughts on what the Hubble tension really is, based on George Efstathiou’s “To H0 or not to H0?“, arXiv:2103.08723.
Asymmetric thin-shell wormholes