[meteorite-list] Fusion Crusted "Meteoroids"
From: Meteorites USA <eric_at_meteoritecentral.com>
Date: Wed, 25 Mar 2009 08:58:45 -0700 Message-ID: <49CA54B5.3010203_at_meteoritesusa.com> Hmmm... ;) lebofsky at lpl.arizona.edu wrote: > Hi Eric: > > A quick response to this: > > 1. Black, yes. Many asteroids are dark (reflect less than 10% of the light > that reaches them). This may be due to shock (black chondrites) or due to > the presence of carbon as in the carbonaceous chondrites (or comets for > that matter). > > 2. However, to the best of my knowledge, fusion crust happens when the > meteoroid passes through the Earth's atmosphere and so would not exist > prior to reaching the vicinity of the Earth. I do not think that you would > bet fusion crust on anything leaving the atmosphere of Mars, since I think > it is assumed that the impact punches a hole in the atmosphere through > which the eventual meteorite passes. > > Larry > > >> A week or so ago I asked a question about what a meteoroid would look >> like floating through space. More specifically I wanted to know what >> color a meteoroid might be "before" it actually hit Earth. Here's >> another question. >> >> How many beautifully black and fully fusion crusted meteoroids and >> asteroids are floating around out there in space? >> >> Eric >> >> -- >> Regards, >> Eric Wichman >> Meteorites USA >> http://www.meteoritesusa.com >> 904-236-5394 >> >> >> >> ______________________________________________ >> http://www.meteoritecentral.com >> Meteorite-list mailing list >> Meteorite-list at meteoritecentral.com >> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >> > > > > -- Regards, Eric Wichman Meteorites USA http://www.meteoritesusa.com 904-236-5394Received on Wed 25 Mar 2009 11:58:45 AM PDT |
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