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If elliptical galaxies do not have cold gas clouds for which we can measure the Doppler shift, then how can we measure the mass of an elliptical galaxy?
Major Depressive Disorder
A psychological condition marked by a continuously low mood or lack of enjoyment in activities, significantly disrupting daily routines.
Situational Factors
External influences that can affect individual behavior and decision-making in specific contexts or environments.
Psychosis
A mental health disorder characterized by a disconnection from reality, which may include hallucinations and delusions.
Bipolar I
A subtype of Bipolar Disorder marked by full manic episodes often interspersed with periods of depression.
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