Almost every civilization in history that has kept a written history has recorded the sightings of strange objects and lights in the skies. These objects have been described as glowing wheels, colored balls of light, and disk shaped objects. Today unexplained phenomena are generally referred to as unidentified flying objects (UFO's). The effects of extra terrestrial sightings can have an adverse effect on people if influenced the wrong way. No solid proof has shown that …showed first 75 words of 931 total…

…showed last 75 words of 931 total…However, the majority of these people do not worry about any unwelcome situation. Opinions may vary, but until any conclusive evidence can be shown that life is visiting Earth from somewhere out of the space, it is safe to say that humans are alone in their home planet. It is possible that this theorem will be proved wrong in the future, but until then all people can do is guess, hope, and wait. ------------------------------------------------------------------------ **Bibliography**