1. space biology the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life
  2. sociobiology the branch of biology that conducts comparative studies of the social organization of animals (including human beings) with regard to its evolutionary history
  3. paleobiology a branch of paleontology that deals with the origin and growth and structure of fossil animals and plants as living organisms
  4. sociology the study and classification of human societies
  5. palaeobiology a branch of paleontology that deals with the origin and growth and structure of fossil animals and plants as living organisms
  6. space walk any kind of physical activity outside a spacecraft by one of the crew
  7. spacewalk move in space outside a space craft
  8. speleology the scientific study of caves
  9. spelaeology the scientific study of caves
  10. epistemology the philosophical theory of knowledge
  11. exobiology the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life
  12. sociobiologic of or relating to sociobiology
  13. spaciously with ample room
  14. semasiology the branch of semantics that studies the cognitive aspects of meaning
  15. epidemiology science dealing with the transmission and control of disease
  16. symbology the study or the use of symbols and symbolism
  17. biology the science that studies living organisms
  18. space probe a rocket-propelled guided missile that can escape the earth's atmosphere; makes observations of the solar system that cannot be made by terrestrial observation
  19. physiology the science dealing with the functioning of organisms
  20. microbiology the branch of biology that studies microorganisms and their effects on humans