At 600KM above planet Earth the temperature fluctuates between +258 and -148 degrees Fahrenheit. There is nothing to carry sound. No air pressure. No oxygen.
Life in space is impossible.
"I can’t see anything. I’m afraid. Help me… Seunghyun."
"Jiyong, talk to me. Tell me where you are, give me your position! Where are you? Tell me what you see! Jiyong!"