The universe has existed for 14 billion years. When the history of the universe is collapsed down into 1 calendar year with each month equal to a little over 1 billion years, the Earth is formed in early September. Based on this timeline, why might it be reasonable to assume that life exists elsewhere in the universe?

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The universe has existed for 14 billion years. When the history of the universe is collapsed down into 1 calendar year with each month equal to a little over 1 billion years, the Earth is formed in early September. Based on this timeline, why might it be reasonable to assume that life exists elsewhere in the universe?

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