On Feb 23, 10:23*pm, "kiloVolts"
mant...@4u3t7s0s5A6s1e7F3G6rH3h5d4q3a3s2aX7A2D5y6 j1z.com wrote:
Dimensional analysis yields an understanding of the power density of the
Sun. All of the power generated within the Sun is radiated from the
photosphere, whose area scales as the radius of the Sun, which scales as
4*Pi*R^2 while the volume scales as 4/3*Pi*R^3. Hence, the power density of
the Sun per unit volume or per unit mass, scales as 3/R. From a human
perspective, since the radius of the Sun R, is almost infinite, the power
density per unit mass is infinitesimal. In fact, when the Sun is active, the
power density of the Sun is less than that of the human body:

WRONG


The core is the only location in the Sun that produces an appreciable
amount of heat via fusion: the rest of the star is heated by energy
that is transferred outward from the core. All of the energy produced
by fusion in the core must travel through many successive layers to
the solar photosphere before it escapes into space as sunlight or
kinetic energy of particles.

So FUSION occurs at the Core not at the surface.

Bye
Sanny

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