Distinguish an Sa from an Sc Galaxy

question 26

Essay

Distinguish an Sa from an Sc galaxy.

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Definitions:

Alcoholism

A chronic disease characterized by uncontrolled drinking and a preoccupation with alcohol, affecting physical and mental health.

Condition

A particular state of something or a situation with regard to circumstances or attributes.

-Oma

A suffix used in medical terminology to denote a tumor or neoplasm.

Tumor

An abnormal growth of tissue that can be benign (non-cancerous) or malignant (cancerous), caused by uncontrolled cell division.