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Over 1 million Earths could fit inside of the Sun.

The Sun is so enormous that about 1.3 million planet Earths could fit inside of it, by volume. Even in the case of Jupiter, the largest planet in the solar system, about 1,000 Jupiters could fit inside the Sun.

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Oops... Looks like you're on mobile

We're trying to get some mobile games up and running, but unfortunately our flash games don't work on phone or tablet. How about some hilarious science jokes instead?

Arithmetic Game

Practice addition, subtraction, multiplication, and division in this tricky arithmetic game. Use the number bank to complete the equations at the bottom of the screen as fast as possible.

How to Play

Use the mouse to click on a number and add it the equation. If you made a mistake, click "reset," or click "submit" to test your answer.


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