Hey list, If mars is red from dust covering the planet, why are the polar caps not red also? Wouldn't they be like giant cherry snowcones? Thanks, Tom Peregrineflier <>< The proudest member of the IMCA 6168 ----- Original Message ----- From: Philip R. Burns <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, September 16, 2003 1:42 PM Subject: RE: [meteorite-list] Serious question?
> At 08:49 AM 9/16/2003 +0100, you wrote: > > >On a similar note ... why is the Lunar surface Grey and Mars red if > >they are both resurfaced by meteorites, likewise wouldn't we expect > >other rocky bodies/planets to be red too especially those with a thin > >atmosphere? Surley the only process that would turn meteorite dust into > >red soil is oxygen or WATER ?? > > The difference between Mars and the Moon is that Mars has an atmosphere > containing carbon dioxide (CO2) and water (H2O). These provide the source > for oxidizing iron on the surface. The Moon has no atmosphere, hence no > source of oxygen to promote oxidation. > > > -- Philip R. "Pib" Burns > [EMAIL PROTECTED] > http://www.pibburns.com/ > > > ______________________________________________ > Meteorite-list mailing list > [EMAIL PROTECTED] > http://www.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
