Kyiv astronomers post a paper on unidentified aerial phenomena

When
Long-focus astrograph at the Main Astronomical Observatory in Kyiv
The Main Astronomical Observatory in Kyiv, whose astronomers posted the paper Alexey laa, CC BY 4.0, via Wikimedia Commons

Three researchers at the Main Astronomical Observatory of Ukraine's National Academy of Sciences posted a preprint describing daytime-sky video of fast bright and dark objects. They estimated sizes of 3 to 12 meters and very high speeds; the paper was not peer reviewed when posted.

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  1. OtherUnidentified aerial phenomena I. Observations of events (Zhilyaev, Petukhov, Reshetnyk), arXiv:2208.11215 (opens in a new tab)arXiv (Cornell University) / 2022-08-23

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