visitor
bug-eyed monster
xenophysics
space alien
eetee
xenoarchitecture
bolide
xenogeology
extraterrestrialization
xenoscience
xenochemistry
extraterrestriality
alienkind
xenopaleontology
extraterrestrialness
alien abduction
xenoethics
xenomorphology
alien
flying saucer
unidentified flying object
UFO
xenobiochemistry
exogenesis
xenotechnology
little green man
alienness
space invader
meteor
micrometeoroid
meteoroid
Tall White
exoearth
saucerian
xenobiology
exocommunication
extraterrestrial
ayy
xenoengineering
comet
entity
xenomicrobiology
micrometeorite
substar
nonalien
star visitor
unidentified aerial phenomenon
exobiology
space biology
paleocontact