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How Many Stars Are In the Universe?
You can count some things on your fingers and toes, but there aren’t enough fingers and toes on Earth to count what we’re counting in Wonderopolis today!
How Many Stars Are In the Universe?
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Why Do We Round Numbers?
You can count on today’s Wonder of the Day to help you make some accurate guesses!
Why Do We Round Numbers?
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What Is a Spit Valve?
We don’t mean to toot our own horn, but we think today’s Wonder of the Day will be music to your ears.
What Is a Spit Valve?
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Who Is Uncle Sam?
Today’s Wonder of the Day features everyone’s favorite uncle!
Who Is Uncle Sam?
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How Do Mood Rings Work?
We hope you’re in the mood for an interesting Wonder of the Day today!
How Do Mood Rings Work?