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Are There More Grains of Sand Than Stars? - Universe Today
This question comes from Sheldon Grimshaw. “I’ve heard that there are more stars in our Universe than there are grains of sand on all the beaches on Earth. Is this possible?” Awesome question, and a great excuse to do some math. As we learned in a previous video, there are 100 to 400 billion stars … Continue reading "Are There More Grains of Sand Than Stars?"