High-z radio galaxies and the `Youth-Redshift Degeneracy'
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We discuss a unifying explanation for many `trends with redshift' of radio galaxies which includes the relevance of their ages (time since their jet triggering event), and the marked dependence of their ages on redshift due to the selection effect of imposing a flux-limit. We briefly describe some important benefits which this `youth-redshift degeneracy' brings.
to appear in `The Hy-redshift universe: galaxy formation and evolution at high redshift' eds A.J. Bunker and W.J.M. van Breugel
to appear in `The Hy-redshift universe: galaxy formation and evolution at high redshift' eds A.J. Bunker and W.J.M. van Breugel