Redshift drift
= Redshift drift
{title2=$\dot z$}
{wiki}
Redshift drift is the change in a comoving source's cosmological redshift with observer time. It directly probes $\dot z=(1+z)H_0-H(z)$.
= Redshift drift
{title2=$\dot z$}
{wiki}
Redshift drift is the change in a comoving source's cosmological redshift with observer time. It directly probes $\dot z=(1+z)H_0-H(z)$.