Explain Why a Galaxy Can Collapse to a Much Smaller

question 15

Essay

Explain why a galaxy can collapse to a much smaller size than its dark matter halo.

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Definitions:

Orbicularis Oculi

A circular muscle around the eye socket that allows for the closing of the eyes.

Gluteus Maximus

The largest and most superficial of the three gluteal muscles, significantly involved in the movement and stability of the hip and thigh.

Posterior Thigh

The posterior thigh refers to the back part of the thigh, encompassing the muscles, nerves, and tissues located behind the femur, primarily involved in the extension and rotation of the leg.

Semitendinosus

A muscle located in the back of the thigh, part of the hamstring group, involved in knee flexion and hip extension.