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Asteroid may have killed dinosaurs quicker than scientists thought

2013-02-08 00:26:00| Climate Ark Climate Change & Global Warming Newsfeed

Reuters: Dinosaurs died off about 33,000 years after an asteroid hit the Earth, much sooner than scientists had believed, and the asteroid may not have been the sole cause of extinction, according to a study released Thursday. Earth's climate may have been at a tipping point when a massive asteroid smashed into what is now Mexico's Yucatan Peninsula and triggered cooling temperatures that wiped out the dinosaurs, researchers said. The time between the asteroid's arrival, marked by a 110-mile-(180-km-)wide...

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