Radio Galaxy · Cygnus A · Hercules A · M87
unseel.com · twin jets · megaparsec lobes · FR I / FR II
Cygnus A ~100 kpc
Alcyoneus ~5 Mpc
phase
Elliptical host (stars)
Relativistic jets
Hot-spots (FR II terminal shock)
Synchrotron lobes
Unseel.com · Radio Galaxy