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A history of Earth as a clock
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A history of Earth as a clock

Source: geology.wisc.edu

    • #science
    • #history
    • #earth
    • #origin of life
  • 4 months ago
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  25. kurt-is-vile reblogged this from thepurplecloud and added:
    Keep this in mind, people. This Earth...NOT ours, nor will it ever be. It is simply our...
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    I love things like this that blow my mind.
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"When we remember we are all mad, the mysteries disappear and life stands explained." - Mark Twain

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