Comet Outburst Spawns Mini-Comets
A comet recently spewed out a cluster of mini comets in a huge outburst that was the largest ever witnessed by astronomers.
A team of researchers began observing the comet 17P/Holmes in October 2007, after it was reported that the object, about 2.2 miles wide (3.6 km wide), had brightened by a million times in less than a day. ...
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