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Article #555Re: Why Life on Mars and the Dinosaurs Died
From: Brett Holman
Date: Wed, 20 Nov 1996 00:00
Date: Wed, 20 Nov 1996 00:00
50 lines
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3389 bytes
Ralph Silverman wrote: > Brett Holman (bholman@physics.unimelb.edu.au) wrote: > : Ken Wessels wrote: > > : > There is no excuse for being on this group and acting like the > : > "Asteroid Belt" is a weird notion. It does seem like the remnants of > : > another, possibly small, planet. > > : I posted the combained mass of the asteroid belt two weeks ago; > : it is only 0.0004 Earth masses, far smaller than any planet. Also, > : meteorites (presumably from the belt) are not sedimentary rocks, which > : you might expect if they are remains of planets. All indications > : are that they formed in weightless environments (except for martian and > : lunar meteorites of cources). I am not sure how the recent Galileo > : asteroid fly-bys back this up. > > : The asteroid belt seems to be left-over material from the formation > : of the solar system, prevented from forming a planet by the > : gravitational influence of Jupiter and the Sun. There doesn't seem > : to be any reason to doubt this. > -- > *************begin r.s. response**************** > > left over? > huh? > > generally, > this stuff is metamorphic blobs ... > > it melted and recongealed ... What is a non sequitur? Your point is what? That this material is not left over from the formation of the solar system? What is it from then? (Your last three lines are not inconsistent with my statement on the asteroid's origin.) -- ______________________________________________________________________ Brett Holman bholman@physics.unimelb.edu.au School of Physics http://astro.ph.unimelb.edu.au/~bholman/ University of Melbourne * I can't believe that I, let alone the Uni, * AUSTRALIA * would hold the opinions expressed here. * Stop quoting the laws to us. We carry swords. - Pompey the Great
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 111c3f,dc49c6f0e0ae45ef X-Google-Attributes: gid111c3f,public X-Google-Thread: f98ed,42750bcc1b1434b0 X-Google-Attributes: gidf98ed,public X-Google-Thread: fa707,dc49c6f0e0ae45ef X-Google-Attributes: gidfa707,public X-Google-Thread: 107d29,49e9cc800ccf3739 X-Google-Attributes: gid107d29,public X-Google-Thread: fe743,dc49c6f0e0ae45ef X-Google-Attributes: gidfe743,public X-Google-Thread: 11339c,dc49c6f0e0ae45ef X-Google-Attributes: gid11339c,public X-Google-Thread: fe15b,42750bcc1b1434b0 X-Google-Attributes: gidfe15b,public X-Google-Thread: 10384c,42750bcc1b1434b0 X-Google-Attributes: gid10384c,public From: Brett Holman <bholman@physics.unimelb.edu.au> Subject: Re: Why Life on Mars and the Dinosaurs Died Date: 1996/11/20 Message-ID: <3292478A.4526@physics.unimelb.edu.au> X-Deja-AN: 197522073 references: <01bbc94a$4ee7d640$6f8860ce@david-lawler> <alford-0411961905480001@an220.du.pipex.com> <55onin$nnp@thunder.internorth.com> <32808D9C.2A7C@cdc.com> <cati-1011961701380001@news.inav.net> <328BB15B.6E6@physics.unimelb.edu.au> <56q4qc$iob@nntp.seflin.lib.fl.us> content-type: text/plain; charset=us-ascii organization: School of Physics, University of Melbourne mime-version: 1.0 newsgroups: alt.alien.research,alt.alien.visitors,alt.astrology,alt.prophecies.nostradamus,alt.sci.planetary,ca.earthquakes,sci.astro.planetarium,sci.space.history x-mailer: Mozilla 3.01 (X11; I; SunOS 5.5 sun4u)