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  2. 1561 celestial phenomenon over Nuremberg - Wikipedia

    en.wikipedia.org/wiki/1561_celestial_phenomenon...

    The celestial phenomenon over the German city of Nuremberg on April 14, 1561, as printed in an illustrated news notice in the same month. An April 1561 broadsheet by Hans Glaser described a mass sighting of celestial phenomena or unidentified flying objects (UFO) above Nuremberg (then a Free Imperial City of the Holy Roman Empire).

  3. Visual perception - Wikipedia

    en.wikipedia.org/wiki/Visual_perception

    Visual perception is the ability to interpret the surrounding environment through photopic vision (daytime vision), color vision, scotopic vision (night vision), and mesopic vision (twilight vision), using light in the visible spectrum reflected by objects in the environment.

  4. Kenneth Arnold UFO sighting - Wikipedia

    en.wikipedia.org/wiki/Kenneth_Arnold_UFO_sighting

    On June 26, 1947, the Chicago Sun coverage of the story may have been the first use ever of the term "flying saucer".. On June 24, 1947, private pilot Kenneth Arnold claimed that he saw a string of nine, shiny unidentified flying objects flying past Mount Rainier at speeds that he estimated to be at least 1,200 miles per hour (1,900 km/h).

  5. Bioko - Wikipedia

    en.wikipedia.org/wiki/Bioko

    Bioko's native name is Ëtulá a Ëri in the Bube language. [5] For nearly 500 years, the island was known as Fernando Po (Portuguese: Fernando Pó; Spanish: Fernando Poo), named for Portuguese navigator Fernão do Pó.

  6. Biocoenosis - Wikipedia

    en.wikipedia.org/wiki/Biocoenosis

    A biocenosis (UK English, biocoenosis, also biocenose, biocoenose, biotic community, biological community, ecological community, life assemblage), coined by Karl Möbius in 1877, describes the interacting organisms living together in a habitat (). [1]

  7. Val Johnson incident - Wikipedia

    en.wikipedia.org/wiki/Val_Johnson_incident

    Ufologists, including Allan Hendry and Jerome Clark, consider the incident significant, with Clark claiming that Johnson refused to take a polygraph test because Johnson believed it "would only [serve to] satisfy people's morbid curiosity". [3]

  8. Holographic weapon sight - Wikipedia

    en.wikipedia.org/wiki/Holographic_weapon_sight

    A United States Marine firing an M4 carbine, using an EOTech holographic sight to aim.. The first-generation holographic sight was introduced by EOTech—then an ERIM subsidiary—at the 1996 SHOT Show, [2] under the trade name HoloSight by Bushnell, with whom the company was partnered at the time, initially aiming for the civilian sport shooting and hunting market.

  9. Trans-en-Provence case - Wikipedia

    en.wikipedia.org/wiki/Trans-en-Provence_Case

    In the Trans-en-Provence case, an unidentified flying object is claimed to have left physical evidence in the form of burnt residue on a field. The event took place on 8 January 1981, outside the town of Trans-en-Provence in the French department of Var. [1]