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🇺🇸 USAF — Project Blue Book

UFO 1954, "Angel Hair" Appearance in California

UFO 1954, "Angel Hair" Appearance in California
United States5 pages
PDF · official source

Summary

In October 1954, an observer in Roseville, California, noticed a white, silky substance falling from the sky for five hours. This substance wrapped around weeds upon landing, appearing stronger than typical spider webs yet light enough to drift with the wind. The phenomenon, known as "Angel Hair," intrigued observers and was analyzed by Colorado College, which concluded it was spider silk. Though it seemed otherworldly, the final explanation was surprisingly earthly, though still fascinating.

The official investigation reached the same conclusion: spider webs, specifically a substance called "cossamer." Despite the prolonged duration and mysterious appearance, there was no physical evidence or photographs supporting a more exotic explanation. The case was closed with a natural explanation, though it remains curious how something so simple can appear so unusual under certain conditions.