AnomalyVery many people report observing the passage of a luminous phenomenon in the sky on October 21, 2011 around 8 p.m. The witnesses are located in different departments of France. The descriptions correspond exactly to a bolide: strong light with a green trail, straight trajectory, duration of a few seconds. A bolide is the term for the phenomenon produced by the entry into the upper atmosphere of a "large" meteorite (more than 100 grams, that is, from a few centimeters to 1 meter). Because this observation was also recorded on the REFORME network (meteor observers) at the same moment (within two minutes) and by several observers in northern France, the reality of the phenomenon is not in doubt. REFORME notes the magnitude at -6, which makes it an average object. It could also be an atmospheric reentry of untracked space debris. This case is classified "B": probable reentry of a meteorite or space debris.
Yvelines, France · 2011-10-21 · from the GEIPAN archive
An account in Yvelines, France
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This is an official case file of GEIPAN, the French space agency's unidentified aerospace phenomena office, machine translated from French. The original text and the full investigation file are at geipan.fr. We reproduce it with thanks and remove anything on request.