The Sun Has Existed for a Very Long Time Without

question 226

Multiple Choice

The Sun has existed for a very long time without change in its appearance or behavior,so it must be in hydrostatic equilibrium.Under these conditions,which two parameters must be in balance at all points throughout the Sun's interior?

• A) magnetic field and the force of gravity
• B) force of gravity and outward gas pressure
• C) numbers of hydrogen and helium nuclei
• D) hydrogen gas pressure and helium gas pressure

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