UFO identified as Venus in Wyoming

Summary

A witness in Tensleep, Wyoming, reported a round, bright object without a visible tail for one and a half hours. The report details that the object moved in a straight line toward the southwest and disappeared silently. Although it could initially appear as a UFO, astronomical calculations confirmed it was the planet Venus. The report concluded there was no evidence of an unidentified object or supernatural activity.

The report, dated December 3, 1957, was reviewed by Project 10073 and deemed insufficient for a definitive evaluation, but with enough data to rule out more exotic explanations. The observer did not use optical aids and the weather was clear, supporting a direct observation of the phenomenon.