Complex sentence: The sequence with the two planets both threatening Alpha with destruction over Koenig's provision of co-ordinates for "Satazius" does not occur, nor does his desperate gambit to dispose of Dione and company.
Split into simpler sentences: The sequence with the two planets both threatening Alpha with destruction over Koenig's provision of co-ordinates for "Satazius" does not happen. Nor does his desperate gambit to dispose of Dione and company.