 Its timeline has been confirmed by the discovery of high-redshift quasars, whose billion-solar-mass size is too large to accommodate within the compressed time scale of the standard model.In Rh=ct, these supermassive black holes would instead have easily grown by billions of solar masses via conventional Eddington-limited accretion.He is a publicist of astronomy and science in general, delivering lectures at public venues, including museums and planetariums.