UFO (Unidentified Flying Object)

UFO (Unidentified Flying Object) refers to a phenomenon described as suspected flying object, real or apparent, which can not be identified by the observer and whose origin is still unknown after an investigation. Sightings of unusual aerial phenomena date back to antiquity, but the term became popular UFO sighting since the first, which was released in 1947. Since then, tens of thousands of people around the world have claimed to have seen UFOs. Due to numerous reports, some groups ufological speculate that it would be quite likely that it has been informed of many others due to fear of ridicule public, given the social stigma that has been created on the UFO topic. This is because in the popular culture around the world, is generally used the term UFO to refer to any hypothetical alien spacecraft, although the term itself does not really define the nature of fenómeno.

Into ufological and some groups of believers in the phenomenon , who is also postulated that many of these ancient references, records of observations would be true of alleged alien craft.

They also point out that if these were manned aerial vehicles, would also contact with any extraterrestrial beings, who conveyed to the observers different lessons. According to this theory, the origin of many of the civilizations of the past (Egypt, Babylon, etc..) Lie in these primitive contacts. How they have seen the UFO phenomenon are varied between the forms that show the phenomenon include:

• Foo Fighters: Phenomenon, whose name derives from the English language and in Spanish means ghost fighters. Its origin dates back to World War II, as the Pilots fighters on both sides (the Axis Powers and the Allies) observed this phenomenon and the surprise was that the objects were not detected by the radar. Lights were seen as small, apparently with mass, although in some cases small lights across the exterior to the interior of the cabins of the pilots, its size, according to the reports varied from 10 cm to 5 m, described as glowing balls. At present it is considered that the objects sighted by the pilots were actually globular lightning.

• Sphere: a phenomenon usually seen as a solid and opaque, although sightings have been reported in areas or bright translucent, rigid or flexible.

• Disk: phenomenon to be observed with a flat, sometimes bulky in the center, presented a bright or metallic sheen.

• Cigar / pure: a phenomenon that has been seen as a cylindrical or similar large cylinders (usually greater than the other forms), long and bright, but also have been without luminosity or brightness.

• Worm: a phenomenon that is presented with an elongated shape with a tubular appearance, with an apparently similar to the worms. Among ufologists and criptozoología, is known as Rod. It also said it would expel spherical objects in the atmosphere.

• Delta or triangle: the phenomenon that have been observed ships with triangular shape possible, often have a light at each vertex. In this description discusses its category as a real UFO, and most researchers attribute their home ground as aircraft pilot or secret known only to the civilian world.