Wednesday, 17 July 2013

If The Sun Went Out, How Long Could Life On Earth Survive?

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If you put a steamy cup of coffee in the refrigerator, it wouldn't immediately turn cold. Likewise, if the sun simply 'turned off' (which is actually physically impossible), the Earth would stay warm - at least compared with the space surrounding it - for a few million years. But we surface dwellers would feel the chill much sooner than that.

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