Why are some flying objects considered “unidentified”?

Objects are considered “unidentified flying objects” (UFOs) because they are aerial objects or optical phenomena that observers cannot readily identify. These sightings often spark interest because they suggest the possibility of extraterrestrial life or the use of advanced technology.

Several factors contribute to why objects remain unidentified. Visual impressions can be unreliable because of optical illusions, environmental conditions (such as fog or haze), and the fallibility of the human eye. Additionally, the psychological desire to interpret images can lead to misidentification. In some instances, sightings may be hoaxes or misinterpretations of known objects or phenomena.