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Billions and Billions

“It’s hard to talk about the Cosmos without using big numbers. I said “billion” many times on the Cosmos television series, which was seen by a great many people. But I never said “billions and billions.” For one thing, it’s too imprecise. How many billions are “billions and billions”? A few billion? Twenty billion? A hundred billion? “Billions and billions” is pretty vague. When we reconfigured and updated the series, I checked—and sure enough, I never said it.” ― Carl Sagan, Billions & Billions: Thoughts on Life & Death at the Brink of the Millennium   How many billions? 400 […]

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