My Theme For The 2012 April A To Z Challenge

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My theme for the April 2012 A to Z Challenge will be centered on Goldilocks Zone: A region of space where stellar and other conditions favor life. It's the habitable zone that's "not too much" or "not too little" that would otherwise make conditions impossible for life. Rather, it is the zone that is "just right," where liquid oceans and a thick atmosphere exist. Our good ol' planet earth lies in just a Goldilocks zone, where life can not only exist, but flourish.
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But I'll take it a step...