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.”