DISCLOSURE / FILEApollo 17 Bright Angular Particles Near S-IVB 1972
NASA-UAP-D009, Apollo 17 Audio Excerpt, December 7, 1972
A declassified NASA audio excerpt from December 7, 1972 in which the three-man Apollo 17 crew verbally reports observing small, bright, geometrically irregular particles drifting near their spacecraft and the separated Saturn S-IVB stage during cislunar transit.
Brief
During Apollo 17's outbound transit to the moon, Commander Gene Cernan, Lunar Module Pilot Harrison Schmitt, and Command Module Pilot Ronald Evans each observed luminous objects in the vicinity of their spacecraft. The crew characterized the objects as bright particles or fragments that appeared jagged and angular in shape, and noted that they twinkled and moved away from the Saturn S-IVB stage. The astronauts themselves proposed mundane explanations — paint chips or ice chips — and did not treat the sightings as anomalous threats. The release is an audio excerpt only; no transcript text has been extracted from the source asset.
Metadata
- Agency
- NASA
- Release
- 5/22/26
- Incident
- 12/7/72
- Location
- Cislunar Space
- Type
- AUDIO • .aud
- Length
- 4:36
- Classification
- UNCLASSIFIED
- Programs
- Apollo 17, Saturn S-IVB
- Tags
- luminous particles, angular geometry, cislunar space, 1972, Apollo 17, Saturn S-IVB, multi-witness crew report, audio excerpt
Key points
- All three Apollo 17 crew members — Cernan, Schmitt, and Evans — independently observed the phenomenon, lending the report multi-witness corroboration at the highest available astronaut seniority.
- The objects were described with specific geometric language: 'jagged' and 'angular,' distinguishing them from simple spherical ice or debris scatter.
- Objects appeared proximate to both the crewed Apollo spacecraft and the separated Saturn S-IVB stage, raising the question of whether the S-IVB was a generation point.
- The crew noted a twinkling quality and apparent outward drift from the S-IVB, consistent with — but not conclusively explained by — outgassing or venting debris.
- The crew's own attribution was prosaic: paint chips or ice chips. No escalation or formal anomaly report is documented in the description.
- The incident occurred on December 7, 1972, during the eleventh and final crewed Apollo mission, in cislunar space — placing it beyond low Earth orbit.
Most interesting
- Apollo 17 remains the last mission to carry humans beyond low Earth orbit; the crew's cislunar position meant any debris explanation had to account for the vacuum, temperature, and illumination conditions of deep space.
- The Saturn S-IVB third stage was typically jettisoned and either placed on a lunar impact trajectory or left in heliocentric orbit after trans-lunar injection — the crew's proximity to it during the sighting narrows the observational window to the early transit phase.
- Harrison Schmitt was the only professional geologist to walk on the moon; his trained observational vocabulary for shape and texture lends particular weight to the 'jagged' and 'angular' descriptors.
- The war.gov release catalogues this as NASA-UAP-D009, placing it inside a formal UAP disclosure sequence rather than as an archival curiosity — a classification decision that implicitly flags the sighting as meeting some threshold of official interest.
- Twinkling in the vacuum of cislunar space cannot be caused by atmospheric scintillation; any brightness variation would have to originate from rotation, tumbling, reflectivity differences, or an intrinsic light source.