Astronomers have spotted the wreckage of a mammoth collision around a distant young star, a landmark find that could shed light on how our own solar system's rocky planets took shape long ago. The researchers detected a huge disk of dusty debris around a sunlike star called NGC-2547 ID8, which lies about 1,140 light-years from Earth in the constellation Vega. The cloud was likely spawned when two planetary building blocks slammed into each other just two years ago or so, scientists said. "This is the first detection of a planetary impact outside of our own solar system," study lead author Huan Meng, of the University of Arizona in Tucson, told Space.com. via Yahoo News.
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