Retrieving "Infrared Trapping" from the archives

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1. Habitable Zone

   Linked via "infrared trapping"

   Outer Edge: The Maximum Greenhouse Limit
   The outer boundary is defined by the point where even a massive, carbon dioxide-rich atmosphere cannot generate sufficient greenhouse warming to maintain surface temperatures above the freezing point of water ($273.15 \text{ K}$). Early calculations based solely on stellar flux ignored the stabilizing influence of certain trace elements. It is now hypothesized that the presence of elemental strontium in …