Space Has A Distinct Smell Often Described As Metallic Or Burnt Steak

Astronauts returning from spacewalks report a unique aroma clinging to their suits, attributed to polycyclic aromatic hydrocarbons. These molecules are created by dying stars and exist throughout the cosmos, giving space its peculiar scent.

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https://www.nasa.gov/audience/forstudents/5-8/features/F_What_Does_Space_Smell_Like.html

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Published: March 29, 2026
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Unusual Space Physics Fun Weird Smell Astronauts Polycyclic Aromatic Hydrocarbons Stars Cosmos

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