A comet is a large, celestial object that is often far away, so saying someone's voice is like a blazing comet would imply that the person's voice can be heard vaguely from far away
Consider the statement "Terradyn took a long time to answer, and his voice sounded close.". Is the statement "Terradyn took a long time to answer, and with a voice like a blazing comet." false? Yes/no/unknown