Scientists are questioning the impact believed to have killed the dinosaurs 65 million years ago. The extinction has often been attributed to the impact of a giant space rock on the Yucatan Peninsula off Mexico, called the Chicxulub impact, but the newly discovered Shiva crater in India has researchers postulating that dinosaur extinction may have arisen out of another impact.
A giant basin in India called Shiva is being considered by paleontologist Sankar Chatterjee of Texas Tech University, as the impact crater associated with the crash that killed the dinos, as well as more than half of the world’s species.
Many scientists, however, are doubtful. Geophysicist Sean Gulick of the University of Texas at Austin argues, "I would say 95 percent or more of the earth scientists who study the KT boundary are in agreement that Chicxulub is the event that brought on the KT mass extinctions."
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