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Article #218Re: Comet Collision
From: Dave Jones
Date: Mon, 02 Nov 1992 15:46
Date: Mon, 02 Nov 1992 15:46
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Carl J Lydick (carl@SOL1.GPS.CALTECH.EDU) wrote: > In article <1992Oct30.153103.29953@pixel.kodak.com>, dj@ekcolor.ssd.kodak.com (Dave Jones) writes: > >One day, I'm going to sit down and work out if Asimov's Martian Way really > >would have worked....soft land a chunk of Saturns Rings on Mars, when just > >getting into Earth orbit takes 90% of your starting mass? Hmmm....... > > Ah, but if you aerobrake to get into a nearly circular orbit and use your > spacefaring iceberg for reaction mass in your descent, then you don't CARE if > you use up 100% of it in soft-landing it. After all, you've now got it in the > Martion atmosphere, where it would've ended up had you soft-landed 100% of the > mass (unless, of course, you increase the Martian atmospheric pressure > considerably). Good point. However, Asimov had them soft-landing it using their "micropile driven steam jets", and that's what needs to be addressed! -- ||Halloween Candy: the office snack | ||from Nov. 1st onwards............... |Puff the Magic Dragon ||-------------------------------------|Lived by the sea ||Dave Jones (dj@ekcolor.ssd.kodak.com)|Who knows what's in the autumn mists ||Eastman Kodak Co. Rochester, NY |In the mind of Yadallee?
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Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!usenet.coe.montana.edu!rpi!newsserver.pixel.kodak.com!ekcolor!dj From: dj@ekcolor.ssd.kodak.com (Dave Jones) Newsgroups: sci.space,alt.sci.planetary Subject: Re: Comet Collision Message-ID: <1992Nov2.154645.10385@pixel.kodak.com> Date: 2 Nov 92 15:46:45 GMT Article-I.D.: pixel.1992Nov2.154645.10385 References: <1csdiaINNnar@gap.caltech.edu> Sender: news@pixel.kodak.com Organization: Vonnegut Tent Rentals, Inc. Lines: 22 X-Newsreader: TIN [version 1.1 PL6]