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The Baltimore Sun

John Wagener in Pikesville asks, "How far away from a candle would I have to hold my hand to equal the heat that the Earth gets from the sun?" Huh? You'd need a bazillion candles to match the heat the sun pours onto the Earth. But let's say you're asking for heat per square inch. My experts at NASA's Goddard Space Flight Center say you have to get very close to feel any heat beside a candle flame. Their best answer to your query: a tenth of an inch.

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