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- Xref: sparky sci.space:18456 sci.physics:21924
- Path: sparky!uunet!spool.mu.edu!hri.com!enterpoop.mit.edu!micro-heart-of-gold.mit.edu!news.media.mit.edu!minsky
- From: minsky@media.mit.edu (Marvin Minsky)
- Newsgroups: sci.space,sci.physics
- Subject: Re: averting doom
- Message-ID: <1992Dec30.234620.11313@news.media.mit.edu>
- Date: 30 Dec 92 23:46:20 GMT
- References: <JMC.92Dec29211051@SAIL.Stanford.EDU> <1992Dec30.213649.28398@cs.ucf.edu>
- Sender: news@news.media.mit.edu (USENET News System)
- Organization: MIT Media Laboratory
- Lines: 31
-
- In article <1992Dec30.213649.28398@cs.ucf.edu> clarke@acme.ucf.edu (Thomas Clarke) writes:
- >Newsgroups: sci.astro
- >Path: cs.ucf.edu!news
- >From: clarke@acme.ucf.edu (Thomas Clarke)
- >Subject: Re: averting doom
- >Message-ID: <1992Dec30.194139.27331@cs.ucf.edu>
- >Sender: news@cs.ucf.edu (News system)
- >Organization: University of Central Florida
- >References: <1992Dec30.165411.25838@cs.ucf.edu>
- >Date: Wed, 30 Dec 1992 19:41:39 GMT
- >
- >In article <1992Dec30.165411.25838@cs.ucf.edu> clarke@acme.ucf.edu (Thomas
- >Clarke) writes:
- >> In article <JMC.92Dec29211051@SAIL.Stanford.EDU> jmc@SAIL.Stanford.EDU (John
- >> McCarthy) writes:
- >> > By the way, it seems to me that if the above idea is sound, it settles
- >> > the question of the stability of the solar system - in the negative.
- >> ... In the most recent Sci Am or Sky and Telescope
- >
- >It was Sky and Telescope Feb '93 ppp 13-14.
- >I remembered wrong. A one millimeter perturbation of Mars' orbit
- >eventually caused a 500,000 kilometer difference in the position of
- >Pluto after 100 million years.
- >
- >Gerald Sussman and Jack Wisdom used the Supercomputer Toolkit at MIT
- >to simulate the solar system.
-
- McCarthy has been discussing the tame-asteroid proposal with Sussman
- et al.
-
- .
-