A century-old assumption about the composition of our planet has been challenged by a new study suggesting that Earth does not have the same geological composition as a class of meteorites called chondrites.
Source: http://www.cosmosmagazine.com/news/5458/whats-earth-really-made
Jessica Alba Jessica Biel Jessica Cauffiel Jessica Paré Jessica Simpson Zooey Deschanel Aaliyah Abbie Cornish
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