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In reply to the discussion: One in Five Stars Has Earth-sized Planet in Habitable Zone [View all]Stuart G
(38,414 posts)indeed...they sure are. Many out there. Billions. Now here is something I definitely recall. Over 45 years ago, I took a course called "Introduction to Social Science" at the University of Illinois at Navy Pier..It is now called the Circle. But I remember reading a short intro book on astronomy and whatever was up to date then, and the author predicted, based on his calculations, that there would be billions of earth like planets out there, and some of them very likely had life on them, like ours. Some may have advanced life ...and we talked about it, and Star Trek was big then. I believe they have dropped by and decided to leave us alone. Too unknowing and uncaring for the rest of the galaxy...
(they may have hit Fox, so called news, and headed as far away as their warp drive could take them}