Wonderopolis

What Is Psithurism?

Today’s Wonder of the Day is filled with a familiar, soothing sound!

#2256

What Is Psithurism?
How Many Degrees Are in a Circle?

Do you ever feel like you’re going around in circles? Today’s Wonder of the Day is sure to make you feel that way!

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How Many Degrees Are in a Circle?
What's the Biggest Thing You Can See?

Today’s Wonder of the Day is huge. We’re not kidding. It’s so big you’ll have to see it to believe it!

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What's the Biggest Thing You Can See?
Could Our Solar System Have a Ninth Planet?

Today’s Wonder of the Day takes us way out beyond Neptune!

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Could Our Solar System Have a Ninth Planet?
How Did Dinosaurs Become Extinct?

Today’s Wonder of the Day features a cataclysmic ending!

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How Did Dinosaurs Become Extinct?
Why Does the Sun Rise and Set at Different Times Each Day?

Today’s Wonder of the Day will have you getting up early and staying up late!

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Why Does the Sun Rise and Set at Different Times Each Day?
Is Planet Earth Alive?

Today’s Wonder of the Day will explore the vitality of our planet!

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Is Planet Earth Alive?
Why Is There a Great Red Spot on Jupiter?

Oops! Did Jupiter spill something on itself? Find out today in Wonderopolis!

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Why Is There a Great Red Spot on Jupiter?
How Can You Breathe Where Trees Don’t Grow?

Today’s Wonder of the Day is a breath of fresh air!

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How Can You Breathe Where Trees Don’t Grow?
What Were the Seven Wonders of the Ancient World?

Today’s Wonder of the Day is full of…surprise!...wonders!

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What Were the Seven Wonders of the Ancient World?
What Is a Supernova?

Today’s Wonder of the Day isn’t just super...it’s a supernova! Join us for a journey through outer space to see what happens when stars run out of fuel.

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What Is a Supernova?
Have You Ever Wished Upon a Shooting Star?

Today’s Wonder of the Day just might be a wish come true!

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Have You Ever Wished Upon a Shooting Star?
How Many Moons Does Saturn Have?

Today’s Wonder of the Day has a familiar ring to it!

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How Many Moons Does Saturn Have?
Why Is There No Gravity in Space?

Join us in Wonderopolis today as we go up, up, up to learn about what brings us down, down, down!

#1974

Why Is There No Gravity in Space?
Where Do Lightning Bugs Go During the Day?

Today’s Wonder of the Day is best viewed in the dark!

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Where Do Lightning Bugs Go During the Day?
Why Can’t You Look Directly at the Sun?

We hope you like your Wonder of the Day sunny side up!

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Why Can’t You Look Directly at the Sun?
What’s the Difference Between a Solar and a Lunar Eclipse?

There’s more to today’s Wonder of the Day than meets the eye!

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What’s the Difference Between a Solar and a Lunar Eclipse?
What Is Stonehenge?

Today’s Wonder of the Day takes a look at some mysterious stones!

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What Is Stonehenge?
What Is a Polar Ice Cap?

Hope you brought your jacket! Today’s Wonder of the Day is served over ice — at the North and South Poles!

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What Is a Polar Ice Cap?
Why Do Atoms Form Molecules?

Today’s Wonder of the Day brings together some of the smallest things in the world!

#1906

Why Do Atoms Form Molecules?

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