Pingie: HTTP:: Early Composition of the Solar System Explained

HTTP:: Early Composition of the Solar System Explained
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In a new research paper, appearing in the latest issue of the journal Meteoritic & Planetary Science, a team of experts from the Monash University, led by Dr. Maria Lugaro, proposes a new explanation for why the chemical composition of the early solar system looks the way it does in geological records. The scientists think that the traces of radioactive nuclei, which have been identified in the earliest meteorites to hit the Earth, more than four billion years ago, may have come from a nearby dying giant star, which is estimated to have been about six times the mass of the Sun.The new find could change our perspective on the solar system as a whole, Dr. Lugaro believes. “We have known about the early presence of these radioactive nuclei in meteorites since the 1960s, but we do not know where they originated from. The presence of the radioactive nuclei has been previously linked to a nearby supernova explosion, but we are showing now that these nuclei are more compatib!
le with an origin from the winds coming from a large dying star,” she explains.The conclusion of the recent investigation is based on numerous astronomical observations, using both Earth- and orbit-based telescopes, as well as on the most recent simulations employing supercompute...
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http://news.softpedia.com/news/Early-Composition-of-the-Solar-System-Explained-117115.shtml

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