In the Figure Shown Below, the Portion of the H-R

question 67

Essay

In the figure shown below, the portion of the H-R diagram corresponding to the Hayashi track
of a 1 M_SUN star is shown.Temperature increases toward the left, and luminosity increases toward the top of the diagram.Even though the temperature of the protostar is hardly changing as it approaches the main sequence, its luminosity is decreasing.Why?

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Definitions:

Socialism

An economic and political system where the means of production are owned and controlled by the state or public, aiming for equal distribution of wealth and resources.

Individualism

A concept that gives preference to individual freedoms, liberties, and rights.

Communism

A political and economic ideology that aims for a classless society where all property is publicly owned, and each person works and is paid according to their abilities and needs.

Egalitarianism

A belief in human equality, particularly with respect to social, political, and economic rights and privileges.