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Oxygen isotope analysis tells of the wandering life of a dust grain 4.5 billion years ago

Science Centric (4 Mar 2011 14:45 GMT) - Scientists have performed a micro-probe analysis of the core and outer layers of a pea-sized piece of a meteorite some 4.57 billion years old to reconstruct the history of its formation, providing the first evidence that dust particles like this one experienced wildly varying environments during the planet-forming years of our solar system…

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