Sound as we know it does not exist in space. That’s because, on Earth, sound mainly travels to our ears via vibrating air molecules. Because space is a vacuum, meaning there is no matter at all ...

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Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Earth is our planet and we made it what it ... Check out the rest of the interesting facts.

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...