GEOGRAPHY IN THE NEWS:
A study of biogeography shows that life exists in a "just right" mix of physical geographic variables -- temperature, precipitation, sunlight, altitude... -- that varies from species to species. For this reason, some astrobiologists are focusing their attention on "eyeball" planets, those that have a transition zone between the too-hot day side and the too-cold night side, a transition zone that might include a "just right" spot for extraterrestrial life: nautil.us/blog/-forget-earth_likewell-first-find-aliens-on-eyeball-planets
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