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Odds for Life
There are about 100 billion stars in the Milky Way galaxy. In standard notation that’s 100,000,000,000 Since the Hubble Space Telescope has pushed our eyes ever farther into the observable universe, astronomers now believe that there are more than 200 billion galaxies. That’s 200,000,000,000 If our Milky Way is an “average” galaxy, then there must…