Say hello to "El Gordo," one of the biggest cosmic collisions you will ever witness.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/RNjicF1U-u0" height="1" width="1"/>
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Say hello to "El Gordo," one of the biggest cosmic collisions you will ever witness.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/RNjicF1U-u0" height="1" width="1"/>