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An earthquake light is an unusual luminous aerial phenomenon, similar in appearance to the aurora borealis, that allegedly appears in the sky at or near areas of tectonic stress, seismic activity or volcanic eruptions. Scientific evidence for the presence of lights is unreliable, given that there are few references documenting the phenomenon.
St. Elmo's fire is an electrical weather phenomenon in which luminous plasma is created by a coronal discharge originating from a grounded object in an atmospheric electric field (such as those generated by thunderstorms or thunderstorms created by a volcanic explosion).
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Sprites are massive but weak luminous flashes that appear directly above an active thunderstorm system and are coincident with cloud-to-ground or intracloud lightning strokes. Their spatial structures range from small single or multiple vertically elongated spots, to spots with faint extrusions above and below, to bright groupings which extend from the cloud tops to altitudes up to about 95 km. Sprites are predominantly red.
Blue jets are a second high altitude optical phenomenon, distinct from sprites, observed above thunderstorms using low light television systems. As their name implies, blue jets are optical ejections from the top of the electrically active core regions of thunderstorms.
A transient lunar phenomenon (TLP) or "Lunar Transient Phenomena" (LTP), refers to short-lived lights, colors, or changes in appearance of the lunar surface.
Claims of short-lived phenomena go back at least 1,000 years, with some having been observed independently by multiple witnesses or reputable scientists. Nevertheless, the majority of transient lunar phenomena reports are irreproducible and do not possess adequate control experiments that could be used to distinguish among alternative hypotheses. Few reports concerning these phenomena are ever published in peer reviewed scientific journals, and rightfully or wrongfully, the lunar scientific community rarely discusses these observations.
Hessdalen is a small valley in the central part of Norway. At the end of 1981 through 1984, residents of the Valley became concerned and alarmed about strange, unexplained lights that appeared at many locations throughout the Valley. Hundreds of lights were observed. At the peak of activity there were about 20 reports a week.
Project Hessdalen was established in the summer of 1983. A field investigation was carried out between 21.January and 26.February 1984. Fifty-three light observations were made during the field investigation. You may read the details in the technical report. There was an additional field investigation in the winter of 1985. However, no phenomena were seen during the period when the instruments were present.
Lights are still being observed in the Hessdalen Valley, but their frequency has decreased to about 20 observations a year. An automatic measurement station was put up in Hessdalen in August 1998. Both data and alarm-pictures can be viewed on this website.
Sky lanterns (天燈) are traditionally lanterns made of oiled rice paper with a bamboo frame containing a small candle or fuel cell, which is a waxy combustible material. When lit the fuel cell heats the air, creating smoke, and causes the lantern to rise into the air. The Sky Lantern is airborne for approximately 15 minutes, or until the fuel cell is exhausted, after which the lantern floats back to the ground. They achieve quite a height and launching them in strong winds is not recommended.
IFO stands for Identified Flying Object. An IFO can be described as a UFO which has a rational explanation. In other words something which looks unusual and is hence often misconstrued as a UFO. The purpose of this project is to build a database of IFOs so that people can visit the project if they have had a UFO sighting and check to see if their sighting corresponds to the description and pictures in this project.
TRANSIENT LUNAR PHENOMENA
A transient lunar phenomenon (TLP) or "Lunar Transient Phenomena" (LTP), refers to short-lived lights, colors, or changes in appearance of the lunar surface.
Claims of short-lived phenomena go back at least 1,000 years, with some having been observed independently by multiple witnesses or reputable scientists. Nevertheless, the majority of transient lunar phenomena reports are irreproducible and do not possess adequate control experiments that could be used to distinguish among alternative hypotheses. Few reports concerning these phenomena are ever published in peer reviewed scientific journals, and rightfully or wrongfully, the lunar scientific community rarely discusses these observations.
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[edit on 31-7-2008 by OneLifeTooLive]