If the ground were flat

The ground is flat. Let's accept it. But then, let's examine what gravity is causing this flat planet. And on the one hand, it has nothing to do with the gravity that we notice on Earth, and on the other hand, if the Earth were flat, it would be rounded by gravity itself over the years.

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Bidali zure helbide elektronikoa eta jaso asteroko buletina zure sarrera-ontzian

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