1. Question: What is the largest planet in our solar system? Answer: Jupiter 2. Question: What is the fastest animal on land? Answer: The cheetah 3. Question: What are the three layers of the Earth?

We may love space at Space.com, but that doesn't mean that we don't love all the other realms of science, too. In fact, we depend on our friends at Live Science to keep us posted on the latest and ...

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We make it a point to know the basics about some things. American history, say: thirteen colonies; manifest destiny, blah, blah, blah. Ditto sports: Babe Ruth, baseball; Magic Johnson, basketball.