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Title: Given that there are several hundred billion stars in the Milky Way Galaxy and preliminary data from ... Post by: hermiz on Sep 10, 2017 Given that there are several hundred billion stars in the Milky Way Galaxy and preliminary data from exoplanet studies suggest that as many as one in five star systems may have one or more habitable planets, then a reasonable estimate for the number of habitable planets could be about
A) 100 billion or more B) 1 billion or more C) 100 million or more D) 10 million or more Title: Re: Given that there are several hundred billion stars in the Milky Way Galaxy and preliminary data ... Post by: 19Clyde on Sep 10, 2017 Content hidden
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