When Does a Star Achieve Hydrostatic Equilibrium

question 314

Multiple Choice

When does a star achieve hydrostatic equilibrium?

• A) when it becomes a main-sequence star
• B) when it leaves the main sequence
• C) when it becomes a protostar
• D) This question has different answers for stars of different masses. Massive stars never achieve equilibrium; small stars achieve hydrostatic equilibrium as soon as they reach the main sequence.

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Definitions:

Scoliosis

A lateral curvature of the spine, which is normally straight when viewed from behind.

Treatment Option

Various methods or pathways available for the diagnosis, management, and care of health conditions.

S-shaped Curvature

A type of spinal deformity characterized by a lateral, S-like curve.

Spine

The column of vertebrae extending from the base of the skull to the tailbone, providing structural support and protecting the spinal cord.