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by phaemon
3752 days ago
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30 years (not 29) is long enough to even out the short term cycles that will affect our temperature measurements (most notably, the ENSO cycle). The age of the Earth isn't relevant at all. Imagine tossing a coin to see if it's a fair coin. How many times do you have to toss it to be fairly confident it's fair? Now, how old is the coin? |
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