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Date: 2007-10-28 18:02:15Baptistina asteroids 298 Baptistina Planetary defense Dinosaurs Bottke Asteroid belt Meteorite Near-Earth object Cretaceous–Tertiary extinction event Planetary science Astronomy Main Belt asteroids | Distant space collision meant doom for dinosaurs http://chinadaily.com.cn/world[removed]conten... Subscribe to free Email NewsletterAdd to Reading ListSource URL: we.vub.ac.beDownload Document from Source WebsiteFile Size: 465,79 KBShare Document on Facebook |