The universe has always had some trace of heavy elements, such as carbon and oxygen, for as far back as astronomers could ‘see’. These elements, originally churned from the explosion of massive stars, formed the building blocks for planetary bodies and eventually for life on Earth.

No more, say researchers who  analyzed light from the most distant known quasar, ULAS
J112010641, a galactic nucleus more than 13 billion light-years from Earth, and found matter with no discernible trace of heavy elements. 

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via Science 2.0 Read More…

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