How many stars are there compared to Earth's grains of sand?
How many stars are there compared to Earth's grains of sand?
Imagine counting stars in the night sky versus counting grains of sand on a beach. Which is more numerous?
The observable universe contains billions of galaxies, each with billions of stars, making the star count vastly larger than the grains of sand on Earth's beaches. The technical term for this comparison is the ratio of stars in the observable universe to grains of sand on Earth.
Example
If you counted 1 star, you would still have more stars than grains of sand on Earth.
Remember this
The observable universe is unimaginably larger than Earth, with billions of times more stars than grains of sand on its beaches.
Text adapted from Wikipedia, licensed under CC BY-SA 4.0.
Observable universe
There are more stars in the universe than grains of sand on all of Earth's beaches
Your body has about 37.2 trillion cells
Did you know your body has more cells than stars in the Milky Way?
Milky Way
How far apart are stars in our galaxy?
Pi
Pi has been calculated to over 100 trillion digits
Supermassive black hole
How can a star's mass turn into a cosmic vacuum trap?
Dark matter
Vera Rubin's galaxy rotation curves provided the strongest early evidence that most matter in the universe is invisible
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