| ID | #1628500427 |
| Added | Mon, 09/08/2021 |
| Author | July N. |
| Sources | |
| Phenomena | |
| Status | Hypothesis
|
Initial data
Initial information from sources or from an eyewitness
Incident date:
08.08.2021 22:58
Location:
Амстердам
NetherlandsAn eyewitness from Amsterdam reports seeing a transparent outline of what appears to be a round saucer in the sky.
Original news
Doorzichtig deels contour zichtbaar in de lucht van wat lijkt een ronde schotel
AMSTERDAM, NH — Kijk naar het filmpje
Type:
Video
Phenomena:
UFO
UFO Amsterdam, Noord-Holland • 8 augustus 2021
9 Aug. 2021
Author: UFO Meldpunt Nederland
Source:
Hypotheses
List of versions containing features matching the eyewitness descriptions or material evidence
Vortex ring
Toroidal vortex (also vortex ring) is a phenomenon in which the region of rotating fluid moving through the same or a different area of a fluid when the flow pattern takes the shape of a toroid (donut).
Investigation
Versions testing, their confirmation or refutation. Additional information, notes during the study of materials
Not enough information
Resume
The most likely explanation. The version, confirmed by the investigation
Not enough information
Similar facts
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