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How Many Stars Are There in the Galaxy?

Season 1 Episode 2

The volunteers find a way to count and visualize the number of stars in the galaxy.

The volunteers are given a spoon of sand with 50,000 grains. Each grain of sand represents a single star. They try to guess how many stars there are in the galaxy and then use the spoon of sand to create a pile of stars with their estimate. How big will the pile of sand be and how close will it be to the actual number of stars in our galaxy?

AIR DATE 5/17/16

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How Many Stars Are There in the Galaxy?

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About Genius By Stephen Hawking

Join Professor Stephen Hawking as he reveals our true potential in a series that challenges a selection of volunteers and viewers to think like the greatest geniuses of the past and answer some of humanity’s toughest and most enduring questions.

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