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Asteroids can have their own moon.
Evolution
The process through which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
Charles Darwin
A 19th-century naturalist who is best known for his contributions to the theory of evolution by natural selection.
Basic Emotions
Emotions that are unlearned and universal, that are reflected in the same facial expressions across cultures, and that emerge in children according to their biological timetable of development; fear, anger, disgust, surprise, happiness, and sadness are usually considered basic emotions.
Facial Expressions
Visible changes in the face that convey emotional states, intentions, or social communications.
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