What would happen if the Earth were flat?

Throughout history, people all over the world have pictured our planet in different ways, including as a flat disc. It can be hard to see the Earth’s curve when you’re standing on the ground, but mathematical calculations and information from space voyages have confirmed that the Earth is a sphere. But…what would it actually be like if the planet was shaped like a big pancake instead? We asked astronomer Chris Impey to help us find the answer.

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