Mission 435’s log is filled with them—clicks, whirs, that one pesky whine from the north solar panel—but now? Now, all I hear is the vacuum of silence. It’s been 37 hours since the last communication from Earth, 14 since the alarms stopped, and 7 before I have to decide whether to bury my best friend or revive her.

I never thought I’d envy the sound of a malfunctioning air filter.

Wait, but without knowing the existing story's universe, I should create an original one. Let's create a self-contained story. The user might be looking for something original.