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What is the origin of the rings of gas that surround Supernova 1987A?
Maslow's Hierarchy
A theory in psychology that prioritizes human needs in a pyramid structure, starting from basic physiological needs to self-actualization at the top.
Arousal Theory
A theory that suggests people are motivated to maintain an optimal level of arousal, which varies from one individual to another.
Social Networking Sites
Websites or platforms where individuals can create profiles, share information, and interact with others to maintain social connections.
Instinct Theories
Theories that explain human behavior as motivated by automatic, involuntary, and unlearned responses.
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