Space Smells Like Burnt Steak (Here's Why)

追加: 2026-05-17

[00:00:00]Space smells like burnt steak.

[00:00:02]Astronauts who come back from space walks say their suits carry this sharp metallic charred smell that clings to everything. For years, people assumed it was just overheated equipment. Turns out dying stars release a chemical called polycyclic aromatic hydrocarbons, and it literally seasons the vacuum around Earth with the scent of a ruined barbecue. Here is the twist. The universe has been cooking with that recipe longer than any planet has existed. Every breath you imagine taking out there would taste like the death of something ancient.