Meteorites role in life on Earth.
Scientists solve 3.5 billion-year-old mystery of life and its link to meteorites
Life may have been boosted by asteroid impacts.
Tuesday, June 04, 2013
It seems life may have received a boost from asteroids smashing into the surface of Earth early in its life.
According to a newly published report produced by researchers at the University of South Florida (USF) and the University of Washington, life-producing phosphorus may have landed on Earth 3.5 billion years ago, providing a boost to early life forms.
USF professor Matthew Pasek, who led the study, says the phosphorus, when released in water, may have over time incorporated themselves into prebiotic molecules. The phosphorus, which has been found in asteroids, was likely carried to Earth via comets and meteorites, which released the element when impacted Earth.
By focusing on the Hadean and Archean eons of early Earth, the scientists were able to discern that meteorites…
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