How do we know the Earth is round and what makes it possible?
In: Physics
There are multiple ways we currently KNOW how the Earth is round but if you’re asking about olden days then it’s a different story. Basically people saw that the moon was round and it makes sense that the earth would be too. Then there is the observation that you can’t see past the horizon. Out on the sea you see the tops of things first. Like mountains, you see the top first then the bottoms when moving towards them. This gave them some confirmation that the Earth was spherical.
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