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arxiv: astro-ph/0305533 · v1 · submitted 2003-05-28 · 🌌 astro-ph

The Ecosphere and the Value of the Electromagnetic Fine Structure Constant

classification 🌌 astro-ph
keywords alphaconstantfinestructureyearatomicecosphereradius
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Following the coincidence A x atomic year ~ Earth year (s), (A = Avogardo number, atomic year=a_B/alpha c, a_B=Bohr radius, alpha= fine structure constant, c=light velocity) and considering the "niche" for alpha, i.e. 180^{-1}<alpha<85^{-1}, the Ecosphere radius is calculated. Key words: Fine structure constant; Planet orbit radii.

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