As the audio commences, a soft, pervasive hum echoes in your ears. It's the gentle, rhythmic thrumming of an engine. The noise is not disruptive or harsh, but rather soothing, like a lullaby sung by a machine. There's a sense of underlying power, the raw energy harnessed and controlled to produce an endless drone. This isn't just any engine. It's a sound that carries an essence of space - the vast, infinite expanse that lies beyond our world. The engine's hum is akin to the quiet, constant noise that one might imagine permeates through a spaceship, travelling through galaxies at light speed. The hum is not loud, yet it fills the space, a constant companion in the background. It's a comforting sound, a reminder of life and activity. It's the heartbeat of the vessel, a soft moan of power and persistence. In this audio, the hum of the engine becomes a character of its own,