The Faint Young Sun Paradox: A Simplified Thermodynamic Approach

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<g transform="matrix(.017,0,0,-.017,.062,7.675)"><path d="M471 401q0 -32 -14 -91l-83 -376q-30 -146 -21 -180l-7 -15q-22 0 -47.5 23.5t-25.5 40.5q0 49 53 271l53 224q4 18 6.5 31t3.5 22.5t1 15t-2 9t-4.5 4.5t-6.5 1q-31 0 -100.5 -63.5t-126.5 -145.5q-16 -53 -40 -163q-48 -11 -74 -21l-7 8l82 341q9 36 -4 36
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</svg> for a CA cycle, (see [<a href="/journals/aa/2012/478957/#B29">30</a>, <a href="/journals/aa/2012/478957/#B37">38</a>]).</table>

Advances in Astronomy

The Faint Young Sun Paradox: A Simplified Thermodynamic Approach

Figure 2