Gravity is the glue that holds the world together. Gravitational pull also holds our solar system and galaxy together. It affects everything we know. Remember those black holes?
Seriously, it's fascinating. I'll keep it simple today, but you can dig into the topic and find all kinds of cool things.
I'd probably goof off like this in space too.
I have to admit I only think about it when I'm tired or running long distances. :)
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