There Are More Stars Than Grains of Sand on Earth

Scientists estimate there are between 100 billion and 400 billion stars in our Milky Way galaxy alone, and there are billions of galaxies in the observable universe. This vastly outnumbers the estimated 7.5 x 10^18 grains of sand on all Earth's beaches.

Source

https://www.nasa.gov/feature/how-many-stars-are-there/

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Published: March 26, 2026
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