Xref: utzoo sci.astro:4094 sci.space:11480 sci.space.shuttle:3162 Path: utzoo!attcan!uunet!mcvax!inria!irisa!saouter From: saouter@irisa.UUCP (saouter yannick) Newsgroups: sci.astro,sci.space,sci.space.shuttle Subject: Re: Asteroids and Dinosaurs (was Re: asteroid almost hits earth) Message-ID: <1216@irisa.UUCP> Date: 18 May 89 13:16:50 GMT References: <256@ringwood.Morgan.COM> <3200009@hpindda.HP.COM> <1212@irisa.UUCP> <13111@ut-emx.UUCP> Organization: IRISA, Rennes (Fr) Lines: 9 In article <13111@ut-emx.UUCP>, ethan@ut-emx.UUCP (Ethan Tecumseh Vishniac) writes: > It is also true that this is not the most dramatic mass extinction in the > fossil record. Such collisions occurs about every 50 000 000 years and I've heard that others species have disappeared as suddenly as the dinosaurs did, so earlier collisions might be the cause for that, too. Does anyone knows others example of strange disappearance ?