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Explore Wonders | Find: 英语四级成绩单编号查询方法（证件网:ｂｚｗ９８５.ｃｏｍ)天津红桥永利（Wrigley ）枫叶卡办理-一比一仿日本独协医科大学文凭毕业证（证件网:ｚｊｗ２１１.ｃｏｍ)银行业资格证怎么做73 | Wonderopolis

Wonderopolis

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Why Is Pluto No Longer a Planet?

Poor Pluto! Put on your space suit and join us as we examine the sad tale of this once proud and now demoted dwarf planet.

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Why Is Pluto No Longer a Planet?
Who Was Duke Ellington?

Learn about a jazz legend in today’s Wonder of the Day!

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Who Was Duke Ellington?
How Many Hot Dogs Can You Eat In 10 Minutes?

We sure hope you’re hungry. Today’s Wonder of the Day is sure to fill you up!

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How Many Hot Dogs Can You Eat In 10 Minutes?
Which Bat Is Best?

Step up to the plate with us as we investigate baseball bats and celebrate the World Series Wonderopolis-style!

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Which Bat Is Best?
Why Are There Seven Days in a Week?

Today’s Wonder of the Day is perfect for a Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday!

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Why Are There Seven Days in a Week?
What Is a Prime Number?

Today’s mathematical Wonder of the Day may have you counting 2, 3, 5, 7, 11, 13, 17, 19, 23, 29…

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What Is a Prime Number?
What Can Satellites Do?

Today’s Wonder of the Day isn’t a bird or a plane or Superman, but it IS way up high in the sky!

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What Can Satellites Do?