A student asking Carl Sagan, "Why is the Earth round?"

What a great guy Carl Sagan was

Logic dictates that something—or someone—always had to exist. Assume it was a “someone,” not a “something.” Why would such a being create a world like ours, one filled with pain? The Advent of Time provides a definitive answer.

Brilliant. Respects the student's question and gives an answer that the whole class will probably remember for the rest of their lives.

Such a humble guy he was. Miss him so much 💗💗

for anything to go on and on with the least amount of friction, the geometrical shape would be a sphere.

And I like your smile

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Great science communicator!

I wonder what he would think of all the flat earthers