This week’s post covers a new measurement of H0 from fast radio bursts, a new compressed low-multipole Planck likelihood, and the first detailed study of the impact of the mass-sheet degeneracy in gravitational wave lensing. Enjoy!
Physics
My thoughts on what the Hubble tension really is, based on George Efstathiou’s “To H0 or not to H0?“, arXiv:2103.08723.
