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When the sun has used up both its hydrogen and helium and it begins to expand, what would be seen from Earth? Assuming that anyone could survive the event, what would they see when Earth was swallowed up by the sun鈥檚 expanding outer atmosphere?

Andrew Crysell, Peterborough, Cambridgeshire, UK

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This article appeared in print under the headline 鈥淟ast show on Earth鈥�