So as a joke, I asked the WolframAlpha search engine the question "when did life on Earth begin and when will it end." The answer was "Wolfram|Alpha isn't sure how to compute an answer from your input." But the "answer" can sort of be derived from numerous other places on the web (which WolframAlpha apparently hasn't indexed yet or doesn't agree with) such as Wikipedia and it goes like this: The earth is apparently 4.54 billion years old. That's relatively young in relationship to the universe which is figured to be ~13.7 billion years according to Wikipedia... Current interpretations of astronomical observations indicate that the age of the Universe is 13.73 ( ± 0.12) billion years, [ 1 ] and that the diameter of the observable Universe is at least 93 billion light years , or 8.80 × 10 26 metres . The Earth's age calculation by WolframAlpha is apparently derived by Wolfram from one or more of the same sources which are also refe
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