Why our place in the universe has never been smaller

When the New Testament was written, the Earth was presumed to be the centre of a smallish sort of universe with Heaven above. Our world was the only world there was and it was flattish, perhaps convex, which would explain why ships out at sea seemed gradually to disappear from the bottom up.

hen I was born, the universe was understood to be a lot bigger than that but it has grown even further in our conception since, perhaps by a factor of trillions. I’m not up to the maths.

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