Page Content (OCR)
21 IFOs, or Identified Flying Objects J a bird! It’s a plane! No ... it’s a UFO! UFOs are not always what they seem. In fact, most ufologists agree that only about 10 percent of UFO reports are genuine “unknowns.” The remaining 90 per- cent of the reports are caused by natural or human-made phenomena. Below is a list of the phenomena that are sometimes mistaken for UFOs: Venus or other planets meteorites, fireballs ball lightning weather balloons stars, comets airplanes, helicopters, and other conventional aircraft satellites, rockets, missiles, and other advanced military aircraft mirages caused by temperature inversions lenticular (saucer-shaped) clouds lights from buildings, searchlights, lighthouses, and other structures fireworks Aurora Borealis (Northern Lights) sundogs, which are atmospheric reflections from ice crystals birds, fireflies J a bird! It’s a plane! No ... it’s a UFO! UFOs are not always what they seem. In fact, most ufologists agree that only about 10 percent of UFO reports are genuine “unknowns.” The remaining 90 per- cent of the reports are caused by natural or human-made phenomena. Below is a list of the phenomena that are sometimes mistaken for UFOs: structures © fireworks the sun with great speed and turning against each other as if fighting.” Coccius memorialized the event in a woodcarving, which shows about 40 objects filling the sky as stunned observers look on. Ancient Astronauts IFOs, or Identified Flying Objects e Venus or other planets e meteorites, fireballs ° ball lightning © weather balloons e stars, comets ° airplanes, helicopters, and other conventional aircraft ° satellites, rockets, missiles, and other advanced military aircraft ® mirages caused by temperature inversions e lenticular (saucer-shaped) clouds e lights from buildings, searchlights, lighthouses, and other e Aurora Borealis (Northern Lights) ° sundogs, which are atmospheric reflections from ice crystals e birds, fireflies