A copy of the lost photograph of the Petrozavodsk object
The Petrozavodsk UFO was a series of celestial events of a disputed nature that occurred on 20 September 1977. The sightings were reported over a vast territory, from Copenhagen and Helsinki in the west to Vladivostok in the east.[1] It is named after the city of Petrozavodsk in Russia, Soviet Union, where a glowing object was widely reported that showered the city with numerous rays.
Government officials from northern European countries sent letters to Anatoly Aleksandrov, president of the Academy of Sciences of the USSR, expressing concern about whether the observed phenomenon was caused by Soviet weapons testing and whether it constituted a threat to the region's environment.[2] Since 1977,[3] the phenomenon has been often, though not universally, attributed to the launch of the Soviet satellite Kosmos-955. In the same year, a preliminary report for the Academy of Sciences of the USSR was made, containing a large body of visual observations, radiolocation reports, physical measurements, and accompanying meteorological data. It concluded that "based on the available data, it is unfeasible to satisfactorily understand the observed phenomenon".[4] The Petrozavodsk phenomenon contributed to the creation of Setka AN, a Soviet research program for anomalous atmospheric phenomena.[5]
^Колчин Герман Константинович. НЛО, факты и документы [UFO, facts and documents] (in Russian). X-libri.ru. Retrieved 4 September 2012.
^"A History of State UFO Research in the USSR". Committee for Skeptical Inquiry. December 2000. Retrieved 4 September 2012.
^"Soviet UFO due to secret launch". Science News. 112. 8 October 1977.
^Л.М.Гиндилис, Д.А.Меньков, И.Г.Петровская (20 October 1977). Феномен 20 сентября 1977 г. Описание явления. Предварительный анализ данных [The phenomenon of 20 September 1977. Description of the phenomenon. Preliminary data analysis] (in Russian). Astronet.ru. Retrieved 4 September 2012.{{cite web}}: CS1 maint: multiple names: authors list (link)
^Paul Stonehill; Philip Mantle. "Setka: A Secret Soviet UFO Research Program" (PDF). Archivos Forteanos Latino Americanos. Archived from the original (PDF) on 19 November 2010. Retrieved 4 September 2012.
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