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Timescale 1, showing the history of the world from 2,000 years ago to 2,000 years in the future.
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Timescale 2, showing the history of the world from 200,000 years ago to 200,000 years in the future.
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Timescale 3, showing the history of the world from 20,000,000 years ago to 20,000,000 years in the future.
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Timescales 4 and 5, showing respectively the history of the world from 2,000,000,000 years ago to 2,000,000,000 years in the future; and the history of the world from 10,000,000,000,000 years ago to 5,000,000,000,000 years in the future.