xenochemistry
xenoscience
xenogeology
xenobiochemistry
xenophysics
cosmogenous
xenomorphology
xenopaleontology
extraterrene
xenoengineering
xeno-
extraterrestrialization
ultratelluric
xenotechnology
xenomicrobiology
xenocytology
bug-eyed monster
extraplanetary
extraterrestrially
eetee
alien
extramundane
xenobiology
spacy
micrometeoroid
xenobacteriology
bolide
xenoarchitecture
space invader
aliensdidit
ultramundane
visitor
meteoroid
meteor
space biology
alienesque
exobiology
astrobiology
UFO
exopolitics
flying saucer
unidentified flying object
exocommunication
xenoanthropology
heliochemistry
foreign
extraterrestriality
alien abduction
alienkind
xenoethics