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.
Discussion. Repression (sometimes called motivated forgetting) is a primary ego defense mechanism since the other ego mechanisms use it in tandem with other methods. Thus defense is often 'repression + ....'.Repression is unconscious. When we deliberately and consciously try to push away thoughts, this is suppression.In Freudian terminology, repression is the restraining of a cathexis by an anti-cathexis.It is not all bad.hus defense is often 'repression + ....'. Repression is unconscious. When we deliberately and consciously try to push away thoughts, this is suppression. In Freudian terminology, repression is the restraining of a cathexis by an anti-cathexis. It is not all bad.