We briefly review and extend our discussion of the ROSAT detection of the e
xtraordinarily luminous (> 10(42) erg/s) partly extended (> 30 kpc diameter
) X-ray emission from the ultraluminous infrared galaxy NGC 6240. The 'stan
dard'-model of starburst outflow is contrasted with alternatives and a comp
arison with the X-ray properties of ellipticals is performed.