Comets and the formation of biochemical compounds on the primitive Earth – A review

  title={Comets and the formation of biochemical compounds on the primitive Earth – A review},
  author={John Or{\'o} and Tracy Mills and Antonio Lazcano},
  journal={Origins of life and evolution of the biosphere},
Thirty years ago it was suggested that comets impacting on the primitive Earth may have represented a significant source of terrestrial volatiles, including some important precursors for prebiotic synthesis (Oró, 1961,Nature 190: 389). This possibility is strongly supported not only by models of the collisional history of the early Earth, but also by astronomical evidence that suggests that frequent collisions of comet-like bodies from the circumstellar disk around the starβ Pictoris are taking… CONTINUE READING
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