it will emulate millions of other suns and explosively mutate into a swollen “red giant,” causing the earth’s oceans to boil and extinguishing all possibility of life in any form. No description by any prophet or visionary has even begun to picture the awful intensity and irrevocability of that moment. One has at least some pitiful self-centered reason not to fear undergoing it: on current projections the biosphere will very probably have been destroyed by different and slower sorts of warming and heating in the meantime. As a species on earth, according to many sanguine experts, we do not
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