Comet particles provide glimpse of solar system's birth spasms

Scientists are tracking the violent convulsions in the giant cloud of gas and dust that gave birth to the solar system 4.5 billion years ago via a few tiny particles from comet Wild 2.

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<p><a href="http://www.physorg.com/news146146200.html">Comet particles provide glimpse of solar system's birth spasms</a></p> <p>Scientists are tracking the violent convulsions in the giant cloud of gas and dust that gave birth to the solar system 4.5 billion years ago via a few tiny particles from comet Wild 2.</p>