Garbage theory of the origin of life

Possibly the least appealing idea about how life began on Earth. Thomas Gold of Cornell University suggested1 that biological contaminants accidentally left behind by interstellar survey parties could introduce life to a previously sterile or prebiotic world. He envisaged a group of extraterrestrial visitors having a picnic somewhere on the young Earth. What if they dropped a few crumbs of food and from the microbes in those crumbs we eventually evolved?1

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1 Comment

  1. less appealing yet would be that we are the descendants of some interstellar exrement.

    regardless, this theory does not provide for the origin of life period, just life on earth.

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