Stellar Evolution and Hydrostatic Equilibrium Term Paper

Excerpt from Term Paper :



A dead star or black dwarf would be converted to interstellar matter spread out in space, and would eventually form a new star. This equilibrium process is made possible through thermonuclear reactions, wherein remaining hydrogen atoms are formed together to create a helium nucleus. Thus, through this process of death and eventual birth of a new star through stellar evolution, equilibrium was conducted and achieved.

Another equilibrium process that stars undergo is through the concept of hydrostatic equilibrium. Hydrostatic equilibrium looks into the relationship of the star's thermal pressure and its weight (mass plus the force of the gravity). This process is characterized as the balance between thermal pressure, which is directed outward, and the weight of the material above pressing downward -- that is, directed inwardly.

Hydrostatic equilibrium illustrates the presence of forces within a star: the thermal force and gravitational force. It also demonstrates how stars exhibit the third law of Newton's Laws of Motion: for every action, there is an equal and opposite reaction. The presence of an outward force is correspondingly compensated by an equal inward and downward force. In effect, the stellar evolution and hydrostatic equilibrium are the processes of equilibrium extant among stars. Its presence in stars made possible the death and regeneration, as well as balancing of forces of the stars, information vital in understanding the dynamics of the Sun, which is also a star, as it projects its energy towards our planet, the Earth, among other objects in the Solar System.

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https://www.paperdue.com/essay/stellar-evolution-and-hydrostatic-equilibrium-70049

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