Today in Astronomy 142 - Astro Pas Rochester
Today in Astronomy 142 - Astro Pas Rochester
Today in Astronomy 142 - Astro Pas Rochester
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Summary! Phenomenology of the Sun: sunspots, active regions,magnetic activity, solar cycle, solar dynamo.! Solar structure: radiative core and convection zone,photosphere, chromosphere, corona.! Solar energy problem. Only nuclear reactions provide aplausible energy source for the billion year timescale thatthe Sun has been lum<strong>in</strong>ous.! Opacity and radiative transport<strong><strong>Astro</strong>nomy</strong> <strong>142</strong> 31