Definition: The interdisciplinary science that studies evolutionary biology, including the origin and evolution of the major elements required for life, their processing in the interstellar medium and in protostellar systems. This field also includes the study of chemical evolution and the subsequent interactions between evolving biota and planetary evolution as well as the field of biology that deals with the study of extraterrestrial life.
the discipline (education, history, etc) only; may also be used for articles about the possibility of extraterrestrial life
See AlsoExtraterrestrial Environment
Other names Extraterrestrial Life; Astrobiology; Life, Extraterrestrial
