While similar processes are witnessed in younger solar systems throughout the Milky Way, the formative stages of our own solar system were believed to have taken twice as long to occur.Now, new research lead by the Centre for Star and Planet Formation at the Natural History Museum of Denmark, University of Copenhagen, suggests otherwise. Indeed, our solar system is not quite as special as once believed.
4.567 billion years – this is how far back we must travel to experience our nascent solar system. The researchers at the University of Copenhagen Centre for Star and Planet Formation took a closer look at the first three million years of the solar system’s development by analysing primitive meteorites composed of a blend of our solar system’s very oldest materials.In part, the study confirmed previous analyses demonstrating that CAI’s were formed during a very short period of time. The new discovery is that the so-called chondrules were formed during the first three million years of the solar system’s development as well. This stands in contrast with previous assumptions asserting that chondrules only started forming roughly two million years after CAIs.
Associate Professor James N. Connelly | EurekAlert!
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