g ABODES - In the early days of the solar system, our sun would not have been hot enough to keep the Earth from freezing. However, liquid water was present on the early Earth. Now, scientists believe that greenhouse gasses may have played a role in keeping Earth's oceans from freezing over completely. See article.
g MESSAGE - Although the Search for Extraterrestrial Intelligence has yet to detect a signal, the efforts continue because so little of the possible parameter space has been searched so far. See article.
g AFTERMATH - Almost no serious study seems to have been made of the psychology of extraterrestrial communication - presumably on the basis that xenopsychology, xenoanthropology or xenolinguistics (terms seemingly used only by science fiction enthusiasts and game designers) need some cases to work on before anything useful can be written. Although it might be argued that the theoretical challenges for communication are clear enough to commence such work. See article.
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