Complex sentence: Moya and her crew escaped and found a planet with a Diagnosan, an alien renowned for its medical abilities, who eventually agreed to both healing Moya, who had been severely burned, and removing the chip from Crichton's head.
Split into simpler sentences: Moya and her crew escaped and found a planet with a Diagnosan. The Diagnosan, an alien renowned for its medical abilities, eventually agreed to both healing Moya, who had been severely burned, and removing the chip from Crichton's head.