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Grufon Papers

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Scientific & evaluated studies

Published, peer-reviewed research suggests that many sightings are related to environmental factors or known natural phenomena, such as ball lightning and luminous insects. At the same time, new approaches using multiple sensors and precise data recording aim to separate real anomalies from misinterpretations.

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Transients in the Palomar Observatory Sky Survey may be associated with nuclear testing and UAP reports — Scientific Reports (Nature), 2025

Statistical study examining photographic “transient phenomena” in the sky (before the satellite era), comparing them with nuclear test dates and UAP reports. Strong correlation found, but not causation.

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The cryptoterrestrial hypothesis 2024

A Case for Scientific Openness to a Concealed Earthly Explanation for Unidentified Anomalous Phenomena. June 2024

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The Scientific Investigation of UAP Using Multimodal Ground-Based Observatories — Journal of Astronomical Instrumentation, 2023

It describes a scientific methodology with multiple sensors for observing and verifying UAPs with measurable data, in order to separate real phenomena from errors or illusions.

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NASA UAP Independent Study Team Report (2023)

It presents the current data and theories on ball lightning one of the most likely natural phenomena that explains many UFO sightings.

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An environmental analysis of public UAP sightings and sky-view potential — Scientific Reports (Nature), 2023

It analyzes data from UAP reports (e.g. NUFORC), combined with data on sky brightness, cloud cover and terrain morphology.

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Investigation & analysis of transient luminous phenomena in the low atmosphere of Hessdalen, Norway — Acta Astronautica, 2010

Field experiment with instruments in Norway on the “Hessdalen lights” phenomenon. Measurable light anomalies were recorded a well-known natural phenomenon that is often misinterpreted as UFOs.

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Observation of the optical and spectral characteristics of ball lightning — Physical Review Letters, 2014

First recording and spectrum analysis of “ball lightning.” A natural phenomenon that can resemble a UAP in many witness reports.

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Insects as unidentified flying objects (+ comments & replies) — Applied Optics, 1978–1979

Classic study showing how insects (especially when they phosphoresce or scatter light) can cause photographic and radar signatures that resemble UFOs.

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Αναφορά περιστατικού UAP - UFO

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