Many Adults Can’t Pass This Elementary School-Level Quiz, Can You?!
What is the smallest planet in our solar system?

Retry
Correct
Incorrect
Before scientists decided that Pluto was no longer a planet, the correct answer would have been Pluto. But nowadays the correct answer is Mercury! It is also the closest planet to the sun.
SSPL/Getty Images
SSPL/Getty Images
What is the smallest planet in our solar system?
- Saturn
- Mars
- Mercury
- Earth
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