Article View: sci.space.shuttle
Article #3806Re: I need facts!
From: Richard Ottolini
Date: Thu, 27 Jun 1991 18:15
Date: Thu, 27 Jun 1991 18:15
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In article <37330001@hpindwa.cup.hp.com> bobj@hpindwa.cup.hp.com (Bob Joslin) writes: >I've heard that one shuttle launch causes 1/4 of 1% of the ozone to be >destroyed. This sounds like propaganda to me. That's a lot of ozone, >even if it is destroyed over a long period of time. There must be a certain daily variance in the amount of ozone, but I don't know the number. It is possible this number is within the variance. An analogy that prompts this comment is the ionosphere that varies in size and location during the day. The effect of fuel exhaust on the atmosphere was studied when the American SST program was posulated and canceled in the 1970s. They have some numbers, but atmospheric science has progressed since then.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!orion.oac.uci.edu!unogate!xing!rick From: rick@xing (Richard Ottolini) Newsgroups: sci.space.shuttle Subject: Re: I need facts! Message-ID: <1991Jun27.181529.8785@unocal.com> Date: 27 Jun 91 18:15:29 GMT References: <37330001@hpindwa.cup.hp.com> Sender: news@unocal.com (USENET News) Organization: Unocal Corporation Lines: 13