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Health & Science4h 17m ago
Apollo astronauts reported that fresh lunar dust smelled like spent gunpowder, a smell that vanished before reaching Earth laboratories.
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Moon, Earth, Houston
Who
Apollo astronauts, Harrison Schmitt, Gene Cernan, Buzz Aldrin, John Young, Gary Lofgren
What
Apollo astronauts reported that fresh lunar dust smelled like spent gunpowder, a smell that vanished before reaching Earth laboratories.
When
Sun, 14 Jun 2026 08:30:59 GMT · 4h 17m ago
Where
Moon, Earth, Houston ·
Why
The smell is attributed to the reaction of chemically hungry lunar dust, with exposed 'dangling bonds', with oxygen inside the spacecraft cabin.
The Frontline Impact
How this affects you
The reactivity of lunar dust, which caused the smell, also poses an engineering challenge for future missions like NASA's Artemis program, due to its ability to cause 'lunar hay fever' and damage equipment.
Story chain
7 events in this thread- Health & Science4h 17m agoApollo astronauts repeatedly reported that fresh lunar dust smelled like spent gunpowder, but this smell never survived the trip back to Earth.Open article
- Health & Science4h 17m agoApollo astronauts reported that fresh lunar dust smelled like spent gunpowder inside the lunar module cabin, but this smell disappeared by the time samples reached Earth.Open article
- Currently Reading4h 17m agoApollo astronauts reported that fresh lunar dust smelled like spent gunpowder, a smell that vanished before reaching Earth laboratories.
- Health & Science4h 17m agoApollo astronauts consistently reported that fresh lunar dust smelled like spent gunpowder, a scent that disappeared once samples reached Earth laboratories.Open article
- Health & Science4h 17m agoApollo astronauts consistently reported that fresh lunar dust smelled like spent gunpowder, a scent that disappeared before samples reached Earth.Open article
- Health & Science4h 17m agoThe Apollo astronauts who tracked moon dust back into their cabin kept reporting that fresh lunar dust smelled like spent gunpowder, a smell that never survived the trip home to Earth.Open article
- Health & Science4h 17m agoApollo astronauts consistently reported that fresh lunar dust smelled like spent gunpowder, but this smell disappeared by the time samples reached Earth laboratories.Open article