The math is dead simple: it seems that the frequency of planets able to support life is roughly one percent. In other words, a billion or more such worlds exist in our galaxy alone. That’s a lot of acreage, and it takes industrial-strength credulity to believe it’s all bleakly barren. — Seth Shostak

Tags: #Life, #Support, #Simple, #SethShostak, #American, #Scientist

Mini who’s who:

Seth Shostak : American Scientist