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This PDF is an excerpt from the Apollo 17 Crew Debriefing for Science held on January 8, 1973. Dick Henry, co-investigator on the Apollo 17 ultraviolet experiment, discusses unexpected results from observations at high galactic latitudes north and south.

Henry said the observed spectrum was above the dark count and looked like the spectrum of a hot star, but "we know that there were no hot stars within our field of view." He gave the most conservative interpretation as light from hot stars in the galactic plane reflecting off interstellar dust, while noting that some parts of the spectrum did not fit that theory and that extragalactic radiation was "at least possible."

Declassified by the Department of War under the PURSUE UAP records release (tranche of 5/8/26).
Agency: NASA
Incident: 1973
Document ID: NASA-UAP-D005