It is also called alien life, or, if it is a sentient and/or relatively complex individual, an extraterrestrial or alien (or, to avoid confusion with the legal sense of alien , a  space alien ).lthough many scientists expect extraterrestrial life to exist, so far no unambiguous evidence for its existence exists. The science of extraterrestrial life is known as exobiology. The science of astrobiology also considers life on Earth as well, and in the broader astronomical context.
repression - (psychiatry) the classical defense mechanism that protects you from impulses or ideas that would cause anxiety by preventing them from becoming conscious. psychiatry, psychological medicine, psychopathology-the branch of medicine dealing with the diagnosis and treatment of mental disorders.
In psychoanalytic theory repression plays a major role in many mental illnesses, and in the psyche of the average person. Repression (German: VerdrÃ¤ngung), 'a key concept of psychoanalysis, is a defense mechanism, but it pre-exists the ego, e.g., 'Primal Repression'. It ensures that what is unacceptable to the conscious mind, which would arouse anxiety if recalled, is prevented from entering into it'; and is generally accepted as such by psychoanalytic psychologists.