User:Ungoliant MMDCCLXIV/ufo

• ETH (Extra-Terrestrial Hypothesis)
• Hessdalen lights
• missing time
• paleoastronautics
• paleoastronautic
• von Dänikenesque, Von Daniken-esque
• critter
• Pleiadean
• Ummo
• Zetan
• Oz Factor
• mystery airship
• fastwalker
• slowwalker
• Phoenix lights
• chupa
• nightcrawler
• high strange, high strangeness (w)
• low strange, low strangeness
• Hynek classification system, Hynek's classification system
  • close encounter of the first kind, CE1
  • close encounter of the second kind, CE2
  • close encounter of the third kind, CE3
  • close encounter of the fourth kind, CE4
  • close encounter of the fifth kind, CE5
  • animated entity
  • daylight disk
  • nocturnal light
  • radar visual
• angel hair
• angel grass
• ufonaut
• Ashtar Sheran
• Anunnaki
• Black Knight Satellite