I wondered, or maybe never put much thought into it, the difference between a planet and a moon. After learning about the composition and activity of our moon, I was perplexed why it is not called a planet. It has common materials and composition as our earth, minus an atmosphere...so what's the deal?
I did a quick check on google of course, and lo and behold on Astronomy For Kids, I found my answer, at least until I research deeper and find more defined details- A moon revolves around "another world" and a planet revolves around the sun!
Got to go simpler sometimes to then understand the complex!
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