Monday, May 2, 2011

Oral Speech ' UFO '

UFO

Assalamualaikum. Good morning to teacher and all my friends. Thank you for giving me the opportunity to talk today.
So, let’s not beat around the bush. Today, we are going to talk about UFO. I bet you know what it is. The whole world is talking about it. UFO is a short for Unidentified Flying Object.
The equivalent acronym for UFO in Spanish, Portuguese, French, and Italian is OVNI (Objeto Volador No Identificado).
Because the term UFO is ambiguous, some investigators now prefer to use other terms such as Unidentified Aerial Phenomenon (or UAP).
UFO is any unusual apparent object or phenomenon in the sky whose cause cannot be identified by the observer, or by investigators.
In popular usage it more loosely means alien spacecraft.
Studies have established that the majority of UFOs are observations of some real but conventional object—most commonly aircraft, balloons, noctilucent clouds or nacreous clouds.
Some were astronomical object such as comets, bright meteors, one or more of the five planets that can be seen with the naked eye, planetary conjunctions, or atmospheric optical phenomena such as parhelia and lenticular clouds.
However, after excluding these incorrect reports, between 5% and 20% of the total remain unexplained. That’s mean maybe they are real UFO.
Most UFOs are symmetrical objects. Some shapes of the UFO are Discoid, Spheroid, Ovoid, Conical, Cylindrical, Triangular, Boomerang and "crescent".

An American businessman, Kenneth Arnold spotted nine brilliantly bright objects flying when flying his private plane near Mount Rainier, Washington. Yes, nine UFO! He must be plain lucky.

He gave rise to the popular terms "flying saucer" and "flying disc", of which the former is still sometimes used, even though Arnold said the most of the objects he saw were not totally circular and one was crescent-shaped.
Most people believe his story and some people think he’s mad.

The most number of reported UFO is in United State, Canada and Sri Lanka.
That’s it for today. These theories are straight from the horse’s mouth. If you want to believe UFO, it is up to you and scientific calculation.
Thank You.

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