hubbleultra

Window of Possibility

Let’s say there are 100 billion stars in our galaxy. And let’s say there are 100 billion galaxies in our universe. At any given moment, then, assuming ultra-massive and dwarf galaxies average each other out, there might be 10,000,000,000,000,000,000,000 stars in the universe.  That’s 1.0 X 10 to the twenty-second power.  That’s 10 sextillion. . . 

From Anthony’s essay, “Window of Possibility.”

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