u/IdoFondal

I've listened to this book many times and have watched the movie in theaters many times as well. My favorite tbh. Maybe I've missed something in both but a question has been rattling my brain and I hope one of you could help answer this? If Eridian's use echo location to visualize and process things. How is it possible for them to visualize and process anything outside of their own solar system and even within being as sound travels so slow compared to light? It's a fantastic story and my go to audio. Ray Porter helps with that as he's fantastic. Does anyone have any insight question?