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A rare chemical that helped DNA form may have come to Earth on comets from newborn stars, astronomers find
Phosphorus is key in forming DNA and giving rise to life on Earth, but the element...Phosphorus is key in forming DNA and giving rise to life on Earth, but the element is rare in the universe. Scientists don't know how Earth got its phosphorus, but scientists just found phosphorus-carrying molecules forming around newborn stars. Researchers found the same molecules on a comet orbiting Jupiter. A new study suggests that comets from newborn stars may have delivered the life-giving element...